Month: May 2026

How to Diagnose and Fix Noisy or Stiff TIME ATAC XC 2 Pedals

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The TIME ATAC XC 2 [paid link] pedals are popular among cross-country and gravel riders for their excellent mud-shedding design, low weight, and reliable engagement system. However, over time, these pedals can develop stiffness in rotation or produce unwanted noises. This guide provides a comprehensive breakdown of how to identify, diagnose, and fix noisy or stiff TIME ATAC XC 2 [paid link] pedals, ensuring they continue to perform at their best.

Understanding the Design of TIME ATAC XC 2 Pedals

The ATAC (Auto Tension Adjustment Concept) system used by TIME features a self-cleaning engagement mechanism and a simple, dual-arch spring system that allows consistent entry and release. The pedal body is made from composite materials with a steel axle, and the internal bearing system uses a combination of a cartridge bearing and a bushing.

Because of this hybrid bearing setup, regular inspection and maintenance are crucial. Dirt, moisture, or lack of lubrication can easily cause stiffness or squeaking, especially after wet rides or extended use without servicing.

Tools Required

8 mm hex wrench
6 mm hex wrench
Grease (water-resistant type, e.g., lithium or PTFE-based)
Bearing grease syringe (optional)
Clean rags
Degreaser
Small flat-head screwdriver

Common Causes of Noise and Stiffness

Noise or stiffness in the TIME ATAC XC 2 pedals can result from several issues. Identifying the cause correctly is key to fixing it efficiently.

1. Contaminated Bearings

Dust or grit entering the pedal bearings can lead to grinding or creaking noises. This contamination often occurs after rides in muddy or wet conditions.

2. Dry or Worn Bushings

The ATAC XC 2 pedals use a combination of sealed bearing and bushing systems. When the bushing dries out or wears, rotational resistance increases, creating stiffness or squeaks.

3. Loose Axle Assembly

A loose axle or end cap can allow minor play within the pedal, producing ticking or clicking noises during pedaling.

4. Improper Cleat Interface

If the cleats are worn or contaminated, the interface between the shoe and pedal may cause creaks that sound like bearing noise.

5. Lack of Grease or Water Ingress

If water penetrates the axle seal, the internal components can rust or lose lubrication, causing both noise and stiffness.

Step-by-Step Diagnosis

Step 1: Check for Play or Resistance

Rotate the pedal by hand. If the movement feels gritty, rough, or tight, the bearings likely need cleaning or replacement. If there is side-to-side play, check the end cap and axle nut.

Step 2: Inspect the Cleats

Remove your shoes and check the cleats for excessive wear or uneven surfaces. Worn cleats can mimic pedal noise. Replace if they appear rounded or deformed.

Step 3: Spin the Axle

Use an 8 mm hex wrench to rotate the axle. If the stiffness persists even off the bike, internal servicing is required.

Step 4: Listen for the Source

Gently pedal backward while holding the crank arm. If the noise originates from the pedal rather than the crank, you can isolate the issue to the pedal body.

Servicing and Fixing Stiff or Noisy TIME ATAC XC 2 Pedals

Cleaning and Re-Greasing the Bearings

Remove the pedal from the crank arm using an 8 mm hex wrench.
Use a 6 mm wrench to carefully remove the end cap on the axle.
Slide the axle assembly out from the pedal body. Wipe away any old grease and dirt.
Clean the internal surfaces using a degreaser and a clean rag.
Apply a thin layer of waterproof grease to the bearing and bushing surfaces.
Reinsert the axle and reattach the end cap securely.
Spin the pedal by hand to confirm smooth rotation.

Addressing Persistent Noise

If the noise continues after cleaning and re-greasing, inspect the following:

Bearing Wear: Replace the bearing cartridge if roughness remains.
Bushing Deformation: Replace the bushing if it appears discolored, ovalized, or excessively worn.

TIME offers service kits for the ATAC XC series, which include bushings, seals, and replacement bearings.

Preventive Maintenance

Proper maintenance significantly reduces the likelihood of stiffness and noise. Follow these practices:

Clean the pedals with mild soap and water after muddy rides. Avoid high-pressure washers.
Regrease the bearings every 1,500–2,000 km or after riding in heavy rain.
Inspect and replace cleats every 3,000–5,000 km depending on riding conditions.
Apply a small amount of dry lubricant to the spring mechanism periodically to maintain smooth engagement.

Optimizing Pedal Performance

For smoother performance, ensure your pedal tension and cleat alignment are properly adjusted. The ATAC system uses a self-tensioning spring, so no manual tension adjustment is needed. However, ensure the cleat orientation matches your preferred float and release angle. Regular cleaning of both cleats and pedals enhances engagement consistency and minimizes unwanted noise.

When reinstalling pedals, apply a small amount of grease to the crank threads to prevent creaking caused by dry metal contact.

When to Replace the Pedals

Even with regular servicing, TIME ATAC XC 2 pedals have a lifespan. Replace them if:

The pedal body shows cracks or deformation.
The bearing race or axle is severely corroded.
Rotational stiffness does not improve after re-greasing or bearing replacement.

Replacement ensures your drivetrain remains efficient and your pedaling motion smooth.

Final Thoughts

Diagnosing and fixing noisy or stiff TIME ATAC XC 2 pedals requires attention to the bearing and bushing system, as well as the cleat interface. With proper cleaning, lubrication, and regular maintenance, these pedals can deliver thousands of trouble-free kilometers. Maintaining them on a consistent schedule prevents noise, ensures smooth engagement, and extends their service life.

ATAC XC 2 Pedal Maintenance Plan: How to Keep Your Set-Up Perfect for Years

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The TIME ATAC XC 2 [paid link] pedals are known for their lightweight construction, mud-clearing design, and reliable engagement system ideal for cross-country and gravel riding. To ensure they maintain optimal performance and longevity, regular maintenance is essential. This guide provides a complete, step-by-step maintenance plan for your ATAC XC 2 [paid link] pedals, covering cleaning, lubrication, bearing service, and tension adjustment to keep your setup working flawlessly for years.

Understanding the TIME ATAC XC 2 Pedal System

The TIME ATAC XC 2 pedal utilizes a self-cleaning, dual-arch engagement mechanism that provides secure cleat retention even in muddy or dusty conditions. Its composite body and steel axle deliver a balance of durability and weight savings. The ATAC (Auto Tension Adjustment Concept) system automatically clears debris and offers consistent entry and release tension across various conditions.

Understanding how the system functions helps you maintain it correctly. The cleats interface with the twin bars, while a coil spring controls the engagement force. The sealed cartridge bearings support smooth spindle rotation, making periodic cleaning and lubrication crucial for maintaining this fluid motion.

Recommended Maintenance Intervals

The maintenance frequency for your ATAC XC 2 pedals depends on riding conditions and frequency. Below is a general guideline:

Every 2 weeks or after wet/muddy rides – Clean and inspect for debris buildup.
Every 2–3 months – Re-lubricate spring and engagement mechanisms.
Every 6 months – Inspect bearings and seals for smooth rotation.
Every 12 months – Perform a full disassembly and bearing service.

Regular maintenance not only ensures consistent pedal engagement but also prolongs bearing life and prevents corrosion on the spindle.

Tools Required

8mm hex key
Torque wrench [paid link] (for reinstallation)
Small brush or toothbrush
Clean microfiber cloth
Degreaser (non-corrosive)
Light waterproof grease
Needle-tip lubricant applicator
Bearing puller (optional, for advanced servicing)

Step 1: Cleaning the Pedal Body

Proper cleaning is the foundation of pedal maintenance. Dirt and debris around the engagement mechanism can affect clip-in reliability.

Begin by removing the pedals from the crank arms using an 8mm hex key. Apply degreaser to a brush and gently scrub the pedal body, focusing on the engagement bars and spring area. Avoid soaking the bearings directly with degreaser, as it may wash out internal lubrication. Wipe down the pedal with a clean microfiber cloth to remove all residue before proceeding.

Once clean, inspect the engagement bars for signs of wear or rust. Any visible deformation may affect cleat retention and should be addressed by replacing the pedal or engagement components if necessary.

Step 2: Lubricating the Engagement Mechanism

The ATAC XC 2 pedal’s spring and bar mechanism benefit from light lubrication to maintain consistent float and release characteristics.

Apply a few drops of light lubricant directly onto the spring and bar interface. Rotate the mechanism several times to distribute the lubricant evenly. Wipe away any excess to avoid attracting dirt. Regular lubrication ensures a smooth release and reduces the risk of squeaking or sticking during entry.

Do not over-lubricate; too much oil can attract grit and shorten the lifespan of the spring components.

Step 3: Inspecting and Servicing the Bearings

The pedal’s smooth rotation is supported by sealed cartridge bearings. Over time, these can lose lubrication or develop play, leading to stiffness or looseness.

To inspect, rotate the pedal spindle by hand. It should feel smooth and resistance-free. If you detect grinding, stiffness, or play, servicing is required. Using a bearing puller or socket wrench, remove the dust cap and extract the spindle assembly. Clean the bearing area and re-grease it using waterproof grease. If the bearings are worn or rusted, replace them with compatible cartridge units.

Reassemble carefully, ensuring the dust seal is seated properly to protect against contamination.

Step 4: Checking Pedal Tension and Float

While the ATAC XC 2 system automatically regulates engagement tension, it’s important to confirm the cleat float and release feel remain consistent. Cleat wear can cause inconsistent release tension or premature disengagement.

Inspect your cleats for rounded edges or uneven surfaces. Replace them if the metal appears worn or if you experience unexpected release during hard pedaling. Proper cleat maintenance ensures the ATAC mechanism continues to perform as designed.

Also, ensure that both pedals provide symmetrical engagement feel. If one feels looser or tighter, inspect the spring for damage or debris obstruction.

Step 5: Reinstallation and Torque Check

After cleaning, lubrication, and inspection, reinstall the pedals using the torque wrench [paid link]. Tighten them to 35–40 Nm on the crank arms. Apply a small amount of grease to the pedal threads to prevent seizing or corrosion, especially if you frequently ride in wet conditions.

Spin the cranks to ensure smooth pedal rotation and check for any lateral play. If movement is detected, recheck the bearing seating and tighten the spindle nut slightly if applicable.

Performance Optimization Tips

To maximize performance from your ATAC XC 2 pedals, adopt a consistent cleaning and inspection routine. After each ride in muddy or sandy conditions, quickly rinse the pedals and let them air dry. This prevents buildup that could interfere with the self-cleaning design.

Keep the cleats properly torqued to your shoes using a threadlocker like medium-strength Loctite to prevent loosening. Additionally, periodically test the release function by engaging and disengaging the pedals several times—this ensures the spring mechanism remains active and debris-free.

Riders who frequently race or train in harsh environments should consider bearing replacement every season to maintain factory-level [paid link] efficiency.

Common Maintenance Mistakes to Avoid

Many riders neglect pedal service until engagement issues appear. Avoid these common pitfalls to extend the lifespan of your ATAC XC 2 pedals:

Ignoring small clicks or squeaks that indicate worn bearings.
Using thick grease on engagement bars, which can attract grit.
Over-tightening pedal threads, risking crank damage.
Failing to inspect cleats regularly for wear.
Storing the bike without drying pedals after wet rides.

Following a strict maintenance plan will prevent these issues and ensure consistent pedal performance throughout the year.

Long-Term Durability and Performance

The TIME ATAC XC 2 pedals are built for endurance. With proper care, they can last several seasons of intense cross-country riding. Regular bearing inspection, lubrication, and tension checks are essential to preserve their efficiency. By maintaining a clean, well-lubricated engagement system, riders can experience reliable entry, predictable float, and stable pedaling efficiency under all conditions.

Consistent upkeep transforms the ATAC XC 2 from a standard pedal into a long-term investment in performance and reliability.

TIME ATAC XC 2 Pedal Set-Up Quality: Why It Feels Off and How to Fix It

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The TIME ATAC XC 2 [paid link] is a popular choice among cross-country and gravel riders for its reliable engagement, self-cleaning design, and light composite body. However, even with a proven system like the ATAC mechanism, improper installation or maintenance can cause the pedals to feel “off.” Symptoms such as vague engagement, uneven tension, or premature bearing play often result from set-up inconsistencies rather than design flaws. This guide explains how to correctly install, inspect, and optimize your TIME ATAC XC 2 [paid link] pedals for smooth, precise performance.

Understanding the TIME ATAC XC 2 Pedal System

The ATAC (Auto Tension Adjustment Concept) mechanism is a self-cleaning system that uses lateral float and angular freedom to promote natural knee alignment. The XC 2 model features a composite body, steel axle, and a spring-retained engagement bar system. Its tension is fixed, but float characteristics and stack height depend heavily on installation accuracy and cleat condition. When the set-up feels off, the issue often lies in the interface between shoe, cleat, and spindle alignment.

Tools Required

8 mm hex wrench
Torque wrench [paid link]
Grease or anti-seize compound
Clean rag
Pedal wrench [paid link] (optional for removal)
Cleat alignment tool (optional but recommended)

Common Signs of Poor ATAC XC 2 Set-Up

A misaligned or poorly installed pedal set can exhibit several symptoms. Riders may notice excessive side-to-side movement, difficult engagement, or uneven float resistance. A common complaint is that one side clips in smoothly while the other side resists or releases prematurely. Additionally, bearing noise or spindle play under load may suggest improper torque or contamination. These issues can reduce confidence in technical terrain and lead to uneven cleat wear.

Correct Pedal Installation Procedure

Before diagnosing set-up quality, it’s essential to confirm that installation was performed to specification. Begin by cleaning the crank threads thoroughly. Apply a thin film of grease or anti-seize to the pedal threads. Thread the pedals into the crank arms by hand, ensuring they engage cleanly without cross-threading. Tighten each pedal using an 8 mm hex key to 30–35 Nm of torque. Over-tightening can damage crank threads, while under-tightening allows micro-movement that leads to creaks and misalignment.

Cleat Position and Its Impact on Set-Up Quality

The TIME ATAC cleats [paid link] are directional, and their orientation controls float characteristics and release angle. When installed incorrectly, they can make engagement feel inconsistent. Position the cleats symmetrically on both shoes with the arrow pointing forward. Ensure the cleats are centered along the shoe’s longitudinal axis and tightened evenly. If one cleat is rotated slightly more than the other, the rider may experience asymmetrical float or uneven release effort, causing one pedal to “feel off.”

Inspecting Pedal and Cleat Interface

The ATAC system depends on a clean and properly shaped cleat for reliable engagement. Dirt, grit, or wear can make the pedal feel vague or imprecise. Inspect the cleat surface for rounded edges or deep grooves, especially where the spring bar interfaces. If the cleats show significant wear, replace them immediately. Clean the pedal body and spring mechanism with a damp rag. Avoid harsh solvents, which can damage the composite body. Apply a small amount of dry lubricant to the spring bar area to maintain smooth entry and release.

Assessing Bearing Condition and Axle Play

A loose or gritty bearing can make the ATAC XC 2 feel imbalanced, even if engagement is correct. Check for side-to-side play by wiggling the pedal body against the spindle. Any perceptible movement indicates bearing wear or loose end caps. The XC 2 uses a sealed bearing system that is not user-serviceable, but periodic cleaning and lubrication around the spindle interface can extend life. If excessive play persists, replacement of the pedal or bearing unit is necessary to restore proper feel.

Troubleshooting Uneven Engagement

If one side of the pedal engages differently, it often results from debris trapped under the spring or a bent engagement bar. Clean the spring area thoroughly using compressed air or a soft brush. Check for any deformation along the bar; even minor bends can alter tension. Another potential cause is shoe sole interference. Thick tread patterns can prevent full cleat engagement, particularly on gravel or MTB shoes. Trim the tread slightly around the cleat pocket to improve consistency.

Optimizing Shoe Compatibility for Better Feel

TIME ATAC pedals work best with shoes that have a stiff sole and a recessed cleat pocket. Flexible soles can cause a spongy feeling during engagement. To achieve the best set-up, use a shoe that supports the cleat evenly across the interface. If the shoe’s tread sits too high, consider adding shims under the cleats. This adjustment ensures consistent float and reduces premature wear on both pedal and cleat.

Checking Float and Release Consistency

The ATAC system provides 13° or 17° release options depending on cleat orientation. Riders who feel that float or release is inconsistent should confirm that both cleats are mounted in identical orientations. If one cleat is reversed, it will release at a different angle. Also, check that the spring tension feels balanced between the left and right pedals. A noticeable difference could indicate a worn or damaged spring, which may require replacement.

When the Set-Up Feels Too Loose

A loose or unstable feel typically means the cleats have worn beyond tolerance. Since TIME cleats are made of brass, they wear faster than steel alternatives, which helps preserve the pedal body but shortens service life. If the pedals feel sloppy even after cleaning and alignment, replace the cleats. Always recheck the shoe-to-cleat torque after the first few rides, as brass can settle slightly into the shoe sole.

Restoring Factory Smoothness

To restore the original pedal feel, perform a full cleaning and lubrication routine every few weeks. Remove the pedals, clean the spindle interface, and re-grease the threads. Wipe down the engagement mechanism and reapply a light coat of dry lube [paid link]. These simple steps eliminate the gritty or vague feeling that often develops after wet or dusty rides. Consistent maintenance not only improves feel but also extends the lifespan of the pedals.

Conclusion

When your TIME ATAC XC 2 pedals feel “off,” the problem rarely lies in the design. Instead, it stems from small inconsistencies in installation, cleat alignment, or bearing condition. By following proper torque specifications, ensuring clean engagement interfaces, and maintaining cleat symmetry, you can restore precise engagement and confident float. The ATAC system rewards careful setup with reliable performance, smooth release, and long-term durability across countless miles of off-road riding.

TIME ATAC XC 2 Pedal Compatibility Secrets: What Works, What Fails, and What to Avoid

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The TIME ATAC XC 2 [paid link] pedals are among the most trusted clipless systems for cross-country and gravel riders who prioritize durability, mud-shedding efficiency, and low maintenance. However, their unique engagement mechanism and cleat interface can present compatibility challenges when combined with other components. Understanding these compatibility factors is essential for achieving consistent performance and avoiding premature wear or set-up issues.

Understanding the ATAC XC 2 Pedal System

The ATAC (Auto Tension Adjustment Concept) system is a signature design from TIME, known for its self-cleaning engagement and intuitive entry. Unlike Shimano’s SPD system, ATAC pedals use a dual-arch retention mechanism that allows for generous float and easier disengagement. This design makes them ideal for riders who want comfort and knee-friendly motion during long rides.

The ATAC XC 2 [paid link] features a composite body, steel axle, and a hollow spring bar. These design elements reduce weight without compromising stability, but they also mean the pedal’s interface tolerances are highly specific. Ensuring component compatibility is therefore crucial to maintaining correct cleat alignment and engagement precision.

Cleat Compatibility

The TIME ATAC XC 2 pedals are compatible exclusively with TIME ATAC cleats [paid link]. Riders have two main options:

ATAC Easy Cleats: Provide a simpler entry and release, ideal for beginners or those riding in muddy conditions.
ATAC Standard Cleats: Offer a firmer retention and slightly increased release angle for more aggressive riders.

Cleat versions from older TIME systems (such as the ATAC Alium or Z Control) are backward compatible, but third-party or SPD-style cleats are not. Attempting to use SPD cleats can cause incomplete engagement, excessive float, and potentially damage the retention springs. Always confirm cleat type by checking for the TIME ATAC engraving on the metal interface.

Shoe Compatibility and Setup

The ATAC XC 2 pedals are designed for two-bolt MTB-style shoes. Most modern cross-country, gravel, and cyclocross shoes with recessed cleat channels are compatible. However, a few details matter during setup:

Ensure the cleat channel depth does not cause interference with the pedal body.
Some carbon-soled shoes may require cleat shims to prevent sole contact and ensure proper float.
Avoid using shoes designed solely for road SPD-SL systems, as they cannot accommodate ATAC cleats [paid link].

The recommended torque for mounting cleats is 5–6 Nm, applied evenly with a quality hex wrench. Over-tightening may strip the threads or misalign the cleat position, leading to inconsistent release angles.

Crank Arm Compatibility

The TIME ATAC XC 2 pedals use a standard 9/16″ x 20 TPI thread, compatible with nearly all crank arms designed for MTB, gravel, or hybrid use. However, it is important to:

Verify crank arms are free of debris and old grease before installation.
Apply a thin layer of anti-seize compound or grease to prevent corrosion.
Avoid carbon crank arms without steel inserts, as overtightening may damage threads.

The recommended installation torque for the pedal spindle is 35–40 Nm. Always start threading by hand to avoid cross-threading the crank.

Drivetrain and Component Interactions

Though pedals operate independently from the drivetrain, improper setup can indirectly affect shifting and pedaling efficiency. For optimal performance:

Maintain correct Q-factor alignment. The ATAC XC 2 offers a moderate Q-factor suitable for most riders, but excessive crank spacers can alter pedaling dynamics.
Ensure chainring clearance allows for natural knee tracking. Wider chainlines on some 1x systems may slightly alter cleat angle preferences.
If using crank-based power meters, verify pedal washer thickness to maintain sensor clearance.

What Works: Ideal Pairings

The ATAC XC 2 performs best when paired with:

TIME ATAC Easy or Standard cleats (new or lightly worn).
Two-bolt shoes with reinforced cleat zones (e.g., Shimano XC, Fizik Terra, or Specialized Recon).
Alloy or carbon cranks with steel-threaded inserts.
Riders who value mud clearance and predictable float range.

This configuration ensures smooth engagement and long bearing life while preserving knee alignment and reducing release fatigue.

What Fails: Common Compatibility Mistakes

Several common issues arise when the wrong components are used with the ATAC XC 2:

Using SPD or Crankbrothers cleats: These will not properly engage and can damage the pedal wings.
Incorrect shoe-cleat alignment: Misaligned cleats increase knee strain and make release unpredictable.
Non-standard crank thread adapters: Some e-bike or proprietary crank systems may not use the 9/16″ thread standard—always verify before installation.
Overly thick soles: Trail shoes or hiking-style SPD shoes may obstruct full cleat engagement.

Avoiding these mistakes ensures consistent pedal performance and prevents premature wear on the engagement system.

Advanced Compatibility Considerations

For riders upgrading from older TIME ATAC models, the XC 2 offers identical cleat geometry. However, subtle differences in spring stiffness and float angle may affect feel. If mixing pedal models across multiple bikes, ensure all use the same cleat type to maintain consistent release force.

Additionally, if combining the XC 2 with clip-in power meter pedals, such as those from SRM or Favero, note that these systems are not compatible. The ATAC retention mechanism is unique and cannot be adapted with third-party sensors.

Optimizing for Performance and Longevity

For the best performance and compatibility lifespan:

Clean the pedal body after muddy rides using mild detergent and a soft brush.
Re-grease pedal threads every 2,000 km or after prolonged rain exposure.
Replace cleats every 5,000–8,000 km or when release feels inconsistent.

Regular maintenance prevents engagement issues and keeps the pedal interface within factory tolerances.

Conclusion

The TIME ATAC XC 2 pedals excel in durability, float comfort, and off-road reliability when paired with compatible cleats, shoes, and crank systems. Proper attention to component matching ensures optimal power transfer, predictable engagement, and long-term reliability. Riders who understand the system’s compatibility nuances can expect years of efficient and trouble-free performance from their ATAC XC 2 setup.

That message — “excel.officeapps.live.com unexpectedly closed the connection” — usually means your browser or network had trouble connecting to Microsoft’s online Excel service (Excel for the web). It can happen for a few reasons, from browser cache issues to Microsoft’s servers being temporarily down.

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Here’s a step-by-step way to fix it 👇

🧹 1. Clear Browser Cache and Cookies

Sometimes, old session data causes connection errors.
Steps:

On Chrome/Edge:
- Press Ctrl + Shift + Delete → choose Cached images and files + Cookies → click Clear Data.
Then, restart the browser and try opening Excel Online again.

🌐 2. Check Your Internet Connection

Make sure your connection is stable.
Try switching to another Wi-Fi network or use mobile data as a quick test.
If you’re on a corporate or school network, a firewall might be blocking the connection.

🧰 3. Try Another Browser or Incognito Mode

Open Excel Online in an incognito/private window (Ctrl + Shift + N or Ctrl + Shift + P).
Alternatively, try a different browser (Edge, Chrome, Firefox, Safari).
If it works there, the issue is likely a browser extension or cached session problem.

🔄 4. Sign Out and Back Into Your Microsoft Account

Go to office.com
Sign out → close the browser → reopen → sign back in → open Excel again.

🧑‍💻 5. Disable Browser Extensions

Some extensions (especially privacy or ad blockers) can interrupt Microsoft’s online apps.

Temporarily disable extensions, then reload the Excel file.

💻 6. Try Opening from OneDrive Directly

If you’re opening a file link, try:

Visiting onedrive.live.com
Navigate to your Excel file → click Open in Excel for the Web.

⚙️ 7. Check Microsoft’s Service Status

Sometimes it’s not you — it’s them.
Check Microsoft 365 Service Status to see if Excel Online is experiencing an outage.

🧑‍🔧 8. Flush DNS Cache (if nothing else works)

On Windows:

Press Windows + R → type cmd → press Enter.
Run this command:ipconfig /flushdns
Restart your browser and try again.

✅ If You’re Using a Company or School Account

Ask your IT administrator to check if your organization’s firewall or proxy is blocking the domain:

*.officeapps.live.com

If you tell me what browser and device you’re using (e.g., Chrome on Windows, Safari on Mac, etc.), I can give you browser-specific steps.

Would you like me to help you diagnose this issue step-by-step for your exact setup?

TIME ATAC XC 2 Pedal Compatibility Secrets: What Works, What Fails, and What to Avoid

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The TIME ATAC XC 2 [paid link] pedals are a popular choice among cross-country and gravel riders who value reliability, low maintenance, and mud-clearing efficiency. However, compatibility is a frequent point of confusion when pairing these pedals with shoes, cleats, and other drivetrain components. Understanding what works seamlessly with the ATAC XC 2 [paid link] system—and what doesn’t—can prevent performance issues, premature wear, and poor engagement on the trail.

Understanding the ATAC XC 2 Pedal System

The ATAC XC 2 uses TIME’s proprietary Auto Tension Adjustment Concept (ATAC) mechanism, which provides consistent engagement and self-cleaning action even in muddy or gritty conditions. Unlike Shimano SPD pedals, the ATAC system uses a bar and arch design that allows for lateral and angular float, reducing knee strain and enhancing comfort on long rides.

Each pedal features a composite body and steel axle, designed to balance lightweight performance with long-term durability. The engagement is tuned for off-road use, prioritizing stability and easy clip-in, even in unpredictable terrain.

Cleat Compatibility: The Foundation of Proper Function

The ATAC XC 2 pedals are compatible exclusively with TIME ATAC cleats [paid link]. These cleats are unique in their design and not interchangeable with SPD or Crankbrothers systems. Two versions of the cleat exist:

ATAC Easy Cleats: Offer a 10° release angle for riders who prefer quicker disengagement, ideal for beginners or gravel riders who frequently unclip.
ATAC Standard Cleats: Provide a 13° or 17° release angle depending on cleat orientation, designed for riders seeking a more locked-in feel during technical or high-effort pedaling.

Both cleat types use a two-bolt mounting system, compatible with most MTB and gravel shoes featuring standard SPD-style holes. However, riders must ensure adequate sole clearance—some road or cyclocross shoes with low tread depth may cause interference, preventing proper engagement.

Shoe Compatibility: Ensuring Proper Fit and Engagement

When choosing shoes for the TIME ATAC XC 2 pedals, sole shape and tread design play a major role in performance. Shoes with deep tread patterns or narrow cleat pockets can cause binding, leading to inconsistent engagement or difficulty clipping out.

For optimal compatibility:

Select shoes specifically designed for XC, gravel, or trail riding, which generally provide better cleat pocket clearance.
Avoid shoes with thick or heavily contoured soles around the cleat area unless they’re verified to fit TIME ATAC systems.
Ensure cleats sit flush with the sole and do not recess too deeply, which can interfere with release tension and rotational float.

TIME recommends brands like Specialized, Giro, Fizik, and Sidi, as many of their MTB and gravel models are designed with ATAC pedal compatibility in mind.

Crank Arm and Q-Factor Considerations

The ATAC XC 2’s Q-factor (distance between crank arms at the pedals) is 54 mm per side, offering a balanced stance for most riders. This measurement affects hip and knee alignment during pedaling, so it’s important to confirm the spacing matches your body geometry and frame design.

Crank compatibility is generally broad—any crankset with standard 9/16″ pedal threads will fit. However, riders using carbon crank arms should install pedal washers to prevent surface damage or creaking at the interface. Avoid using threadlock compounds on the pedal spindle threads; instead, apply a light layer of anti-seize or grease to ensure easy removal during servicing.

Cleat Position and Float Range: Fine-Tuning Compatibility

The TIME ATAC system provides 5 mm of lateral float and up to 13° of angular float, which helps protect knees and enhance comfort during long rides. However, improper cleat positioning can compromise this benefit.

When installing ATAC cleats [paid link]:

Position the cleat so the ball of the foot aligns directly over the pedal spindle.
Adjust the cleat angle to allow a natural release motion without forcing the ankle outward.
If you experience unintentional releases, double-check the cleat orientation—reversing the left and right cleats changes the release angle from 13° to 17°.

Regular inspection is critical. Worn cleats can cause inconsistent engagement, excessive float, or difficult release. Replace them if they appear rounded or heavily scored after extended use.

Drivetrain and Bike Compatibility Factors

Although pedals operate independently of the drivetrain, their stack height and stance width can subtly affect fit and biomechanics. The ATAC XC 2 has a low stack height of approximately 19 mm, improving pedaling efficiency and ground clearance. Riders using wider cranksets—common on gravel and adventure bikes—will find the XC 2’s narrower stance beneficial for maintaining a neutral pedaling line.

However, if using boost or super-boost cranksets, verify that the pedals do not cause heel rub on the chainstays. This is especially relevant on smaller frame sizes or bikes with asymmetrical chainstays.

Common Compatibility Failures to Avoid

Using SPD cleats with ATAC pedals: The systems are mechanically incompatible and can cause pedal or shoe damage.
Mixing ATAC models and older TIME cleats: Cleats from the pre-2016 generation may not fit newer ATAC pedals due to subtle shape changes.
Over-torquing pedal threads: Excessive torque can strip aluminum crank threads or stress the pedal axle. Follow TIME’s torque specification of 30–35 Nm.
Neglecting shoe tread interference: This is a common reason for engagement issues; always verify clearance after cleat installation.
Ignoring worn cleats: Dull or rounded edges can lead to premature pedal wear or slipping during high-torque efforts.

Optimizing ATAC XC 2 Pedals for Maximum Performance

For riders seeking the best performance, regular maintenance enhances compatibility and engagement quality. Clean and lubricate the retention bars with a dry-film lubricant every few rides, particularly after wet or muddy conditions. Periodically check for play in the pedal bearings, as looseness can affect clip-in precision.

For advanced users, upgrading to bronze or carbon-bodied models like the ATAC XC 6 [paid link] or XC 8 offers improved stiffness and lower weight without sacrificing cross-compatibility with ATAC cleats.

Conclusion

The TIME ATAC XC 2 pedals deliver exceptional performance and reliability when paired with the right cleats, shoes, and crankset configuration. Their compatibility depends on precision alignment, correct cleat orientation, and regular inspection to prevent wear-related issues. By understanding the nuances of the ATAC system and avoiding mismatched components, riders can achieve consistent engagement, long-term durability, and an optimized pedaling experience—no matter the terrain.

Maximizing Performance: How to Keep Your TIME ATAC XC 2 Pedals Running Like New

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The TIME ATAC XC 2 [paid link] pedals are a proven choice for cyclists who value durability, mud clearance, and reliable engagement under tough conditions. Built with TIME’s signature ATAC (Auto Tension Adjustment Concept) system, these pedals deliver consistent entry and release, even in the most demanding off-road and gravel environments. However, to maintain their precision feel and extend their lifespan, regular care and correct adjustments are essential. This detailed guide covers every aspect of keeping your ATAC XC 2 [paid link] pedals running smoothly and performing like new.

Tools Required

8 mm hex wrench
Torque wrench [paid link] (optional but recommended)
Cleaning brush and soft cloth
Mild degreaser
Grease or light pedal bearing lubricant
Small pick or flat screwdriver

Understanding the TIME ATAC XC 2 Pedal Design

The ATAC XC 2 pedal uses a composite body with a hollow steel axle and a dual-arch retention mechanism. Its self-cleaning design ensures easy engagement in muddy conditions, while the ATAC spring system maintains consistent tension without manual adjustment. This design offers two key performance benefits: reliable release and long-term resistance to wear.

However, like any mechanical component, the engagement mechanism and bearings need routine inspection to maintain peak performance. Regular servicing ensures that the cleats engage smoothly, the spindle rotates freely, and the springs retain optimal elasticity.

Cleaning and Routine Maintenance

Keeping your ATAC XC 2 pedals clean is the single most important step toward preserving performance. Dirt, grit, and moisture can gradually degrade the retention mechanism and bearings, leading to stiff rotation or premature wear.

After every few rides, wipe down the pedals with a damp cloth to remove surface dirt. For more thorough cleaning, remove the pedals from the crank arms using an 8 mm hex wrench. Submerge the pedal bodies in warm, soapy water and scrub gently with a soft brush to dislodge embedded debris. Avoid harsh solvents, as they can damage the composite body.

Once clean, dry the pedals thoroughly and apply a small amount of grease to the spindle threads before reinstallation. This prevents corrosion and ensures consistent torque during installation.

Bearing Inspection and Lubrication

The ATAC XC 2 pedals feature sealed bearings designed to resist contamination, but over time, they can lose lubrication or develop play. To inspect, grasp each pedal and rotate it by hand. The movement should feel smooth and free of grinding or resistance.

If the pedal feels rough or sticky, remove the end cap with a small pick and access the bearing assembly. Apply a light coat of bearing grease to refresh the internal lubrication. Reassemble carefully, ensuring the end cap is snug but not overtightened.

For riders who frequently ride in wet or muddy environments, a full bearing inspection every six months is recommended. This prevents moisture buildup that could lead to corrosion or bearing failure.

Cleat and Engagement Maintenance

The engagement mechanism of the ATAC XC 2 relies on the interface between the cleat and spring tension system. Worn or contaminated cleats can cause inconsistent entry and release. Inspect your cleats regularly for visible wear on the contact edges or grooves. Replace them if the metal is visibly rounded or if engagement feels loose.

Clean the cleat surfaces using a soft brush and mild degreaser. Reinstall the cleats following TIME’s recommended position marks to ensure proper float and alignment. Misaligned cleats can cause uneven wear and hinder proper engagement.

A small drop of dry lubricant on the pedal’s engagement rails can reduce friction and enhance entry smoothness. Avoid heavy greases or oils that attract dust and grime.

Preventing Common Issues

One of the most frequent issues with the TIME ATAC XC 2 pedals is stiff engagement after muddy rides. This usually results from debris trapped between the retention bars. Rinsing the pedals immediately after use prevents dirt from drying and hardening inside the mechanism.

Another issue is side-to-side play, often due to worn bushings or loose bearing assemblies. If play develops, check the spindle for lateral movement. Tighten the end cap slightly to remove minor looseness. If play persists, replacement of internal bushings may be required.

Always inspect pedal threads for signs of corrosion or cross-threading. Applying a thin coat of anti-seize compound before installation helps prevent seizing, especially for riders using carbon crank arms.

Optimizing for Performance

To maximize the efficiency of your TIME ATAC XC 2 pedals, pair them with genuine TIME cleats. These are engineered with specific float and release angles that complement the ATAC spring system.

For riders seeking a firmer pedal feel, consider upgrading to higher-end models like the ATAC XC 6 [paid link] or ATAC XC 8 [paid link] Carbon, which feature lighter materials and enhanced bearing systems while maintaining identical engagement geometry. Because all ATAC XC cleats are cross-compatible, switching models is seamless.

Regularly maintaining cleat bolts with blue threadlocker ensures secure retention without overtightening. Loose cleats can cause uneven wear on both the pedal and the shoe sole.

Troubleshooting Unusual Pedal Feel

If your pedals suddenly feel loose, sluggish, or noisy, these are the most likely causes:

Loose spindle assembly: Retighten the end cap gently to restore preload.
Contaminated bearings: Clean and relubricate the internals to remove grit.
Worn cleats: Replace if engagement feels vague or float is excessive.
Dry engagement springs: Apply a small drop of dry lubricant to reduce friction.

Addressing these issues early prevents further wear and helps maintain consistent power transfer.

Long-Term Care and Service Intervals

TIME recommends inspecting and cleaning the ATAC XC 2 pedals every 1,000–1,500 km, depending on riding conditions. Riders in wet or dusty environments should shorten this interval. A full bearing service should be done annually to preserve smooth spindle rotation.

Store the bike indoors to minimize moisture exposure, and occasionally check the pedal body for cracks or stress marks. The composite construction is robust but should still be inspected for safety.

Conclusion

The TIME ATAC XC 2 pedals are engineered for reliability, efficiency, and minimal maintenance, but consistent care ensures they deliver that performance year after year. By following a disciplined cleaning, lubrication, and inspection routine, riders can preserve the crisp engagement, low friction, and stability that define the ATAC system. With proper maintenance, your XC 2 pedals will continue to perform like new, no matter how demanding the terrain.

ATAC XC 2 Pedal Installation Mistakes That Can Ruin Your Ride

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Installing TIME’s ATAC XC 2 [paid link] pedals may seem straightforward, but small oversights during the process can significantly affect performance, efficiency, and long-term reliability. The ATAC XC 2 [paid link] pedals are known for their self-cleaning design and easy engagement system, but incorrect installation can lead to premature wear, uneven engagement, or even pedal failure. This guide provides a detailed, technical walkthrough of how to correctly install your ATAC XC 2 pedals and highlights the most common mistakes riders make during setup.

Understanding the ATAC XC 2 Pedal Design

The ATAC XC 2 pedal is part of TIME’s lightweight off-road lineup, built for cross-country riders who value efficiency and durability. It features a fiberglass-reinforced body, a steel axle, and the brand’s patented ATAC (Auto Tension Adjustment Concept) mechanism. This system automatically clears debris and provides consistent entry and release tension. Correct installation is essential to ensure the mechanism performs as designed.

Because of the pedal’s floating and self-cleaning nature, alignment and torque accuracy are critical during installation. Even slight misalignment can affect cleat engagement, cause uneven bearing load, or compromise the self-centering function.

Tools Required

8 mm hex key
Torque wrench [paid link] (capable of measuring 30–40 Nm)
Bike grease
Clean rag
Threadlocker (optional, medium strength)

Correct Installation Procedure

Before installing, inspect both the crank threads and pedal spindles for dirt or corrosion. A clean, lubricated thread ensures proper torque and prevents seizing. Apply a thin layer of bike grease to the pedal threads unless the manufacturer specifically recommends threadlocker for your crankset type.

Identify the right (R) and left (L) pedals. The left pedal has a reverse (left-hand) thread—turn counterclockwise to tighten.
Insert the pedal spindle into the crank arm by hand, ensuring it threads smoothly. Avoid cross-threading, which is a common and costly installation mistake.
Once hand-threaded correctly, use an 8 mm hex key inserted into the spindle end to tighten.
Using a torque wrench [paid link], tighten each pedal to 35–40 Nm. Under-tightening can cause play or creaking, while over-tightening can damage crank threads.
Wipe away excess grease and check pedal rotation. It should spin smoothly without lateral play.

Following the correct torque and alignment ensures proper bearing load distribution and prevents thread damage or premature wear in the pedal-crank interface.

Common Installation Mistakes and How to Avoid Them

1. Cross-Threading the Pedal Spindle

Cross-threading occurs when the pedal is forced into the crank arm at an incorrect angle. This error can permanently damage aluminum crank threads. Always begin threading by hand to feel for smooth engagement before using a wrench.

2. Over-Tightening or Under-Tightening

Improper torque is one of the most frequent causes of pedal failure. Over-tightening can strip crank threads, while under-tightening can lead to wobbling or creaks under load. Always use a torque wrench to achieve the correct 35–40 Nm range.

3. Failing to Grease Threads

Dry threads promote corrosion and make future removal difficult. A thin layer of grease or anti-seize compound protects against moisture and galvanic corrosion between dissimilar metals (e.g., steel spindle and aluminum crank).

4. Incorrect Pedal Orientation

Installing pedals on the wrong side is a surprisingly common mistake. The ATAC XC 2’s left pedal has a reverse thread, meaning you tighten it counterclockwise. Installing it incorrectly will strip crank threads immediately.

5. Misaligned Cleats Causing Engagement Problems

Even if the pedals are installed correctly, improperly aligned cleats can make engagement inconsistent or feel unstable. The ATAC XC 2 system offers natural float, but cleat positioning should still follow TIME’s alignment marks for optimal release angle and power transfer.

Post-Installation Adjustment

Once installed, check for consistent entry and release on both sides. The ATAC mechanism should engage with a distinct “click” and release smoothly. If one side feels stiffer, inspect for debris around the retention bar or uneven cleat wear. Clean the pedal surface with a dry rag and verify that the cleats are positioned symmetrically.

After your first few rides, recheck pedal tightness with a torque wrench. It’s common for threads to settle slightly after initial use. Ensuring correct torque after break-in prevents movement that could loosen the pedal over time.

Preventing Long-Term Damage

To maintain the ATAC XC 2’s longevity, clean the pedal threads and crank interface during every major bike service. Avoid using threadlocker unless recommended, as excess adhesive can interfere with future maintenance. When removing pedals for storage or travel, always grease the threads again during reinstallation.

Additionally, periodically inspect the pedal body and bearings for play or roughness. TIME’s sealed bearings are designed to be low-maintenance, but contamination from improper installation or poor thread sealing can shorten their lifespan.

Performance Optimization After Correct Installation

When correctly installed, the ATAC XC 2 pedals deliver consistent engagement even in muddy or dusty conditions. Proper thread lubrication and torque application help maintain smooth rotation and protect against creaking. Riders should pair these pedals with TIME’s compatible ATAC cleats [paid link], which maintain the intended float and release characteristics.

For riders seeking additional efficiency, ensure your shoe soles make even contact with the pedal platform. Using shoes with stiffer soles improves energy transfer and reduces lateral flex, optimizing the pedal’s performance under load.

Conclusion

Installing the TIME ATAC XC 2 pedals correctly is essential to preserve their mechanical precision and reliability. Avoiding common mistakes—such as cross-threading, incorrect torque, and dry threads—ensures smoother engagement, better power transfer, and longer component life. Taking the time to follow proper installation practices guarantees that your ATAC XC 2 pedals perform exactly as intended, delivering the dependable, mud-clearing efficiency that TIME pedals are known for.

TIME ATAC XC 2 Pedals vs. Shimano PD-M520: Key Differences Every Cyclist Should Know

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The TIME ATAC XC 2 [paid link] pedals and the Shimano PD-M520 are two of the most commonly compared clipless pedal systems among road and cross-country riders. Both models cater to cyclists who value efficient power transfer, reliable engagement, and long-term durability. However, their underlying design philosophies, engagement mechanics, and riding characteristics differ significantly. This guide provides an in-depth technical comparison to help riders make an informed choice between the TIME ATAC XC 2 [paid link] and Shimano PD-M520 pedals.

Design and Build Quality

The TIME ATAC XC 2 pedals use a composite body construction with a steel axle, resulting in a lightweight yet robust platform suited for both road and off-road conditions. The design emphasizes self-cleaning capability through its open, dual-arch engagement mechanism that allows mud and debris to clear easily.

By contrast, the Shimano PD-M520 features a compact aluminum body with a sealed bearing cartridge and a dual-sided SPD mechanism. While heavier, its enclosed structure offers excellent resistance to impacts and wear from rocky or muddy environments. However, it tends to accumulate debris more readily than the ATAC system, requiring more frequent maintenance.

Engagement Mechanism and Float Feel

The defining characteristic of the TIME ATAC XC 2 system is its Automatic Tension Adjustment Concept (ATAC), which delivers a natural feel through a generous angular float of 13° and a lateral float of up to 6 mm. This design significantly reduces knee strain during long rides, making it a top choice for riders prioritizing joint comfort and biomechanical freedom.

The Shimano PD-M520, on the other hand, employs a fixed-tension spring system with adjustable release settings. While it allows riders to fine-tune the tension to their preference, it offers less float and a more mechanical release feel. The SPD interface provides a firmer, more locked-in sensation that suits riders who prefer minimal lateral movement during intense efforts.

In practice, the ATAC XC 2’s engagement is quicker and more forgiving in dirty or wet conditions, while the M520 provides a tighter and more precise interface for those seeking a connected pedaling experience.

Cleat Design and Compatibility

TIME’s ATAC cleats [paid link] are brass-based and feature a self-cleaning, mud-shedding design that complements the pedal’s open structure. They offer two release angle options—13° or 17°, depending on how the cleats are mounted. This modularity enables riders to customize release feel without changing hardware.

Shimano’s SPD cleats are made of steel and designed for consistent engagement. They provide a single release option of approximately 13°, with a limited float range. SPD cleats are widely compatible across multiple Shimano pedal models, offering easy replacement availability. However, they can wear down faster when walked on compared to TIME’s recessed cleat shape, which provides better off-bike traction.

Bearing System and Maintenance Requirements

The TIME ATAC XC 2 pedals utilize a steel axle with a bushing and cartridge bearing combination, which requires minimal maintenance under normal use. The pedal body’s open structure naturally expels mud and water, extending bearing life. Regular cleaning and occasional lubrication of the axle assembly ensure smooth rotation and long-term reliability.

In contrast, the Shimano PD-M520 employs sealed cartridge bearings that provide excellent durability in harsh conditions. However, due to its more enclosed body design, grime can accumulate over time, necessitating more frequent servicing to prevent bearing wear or stiffness. The advantage of the M520’s system lies in its serviceability—bearing kits and seals are widely available, making overhaul straightforward.

Weight and Efficiency

When comparing weight, the TIME ATAC XC 2 pedals stand out at approximately 151 grams per pedal, giving them a noticeable advantage for riders concerned with minimizing rotational mass. Their composite material contributes to a lighter build without compromising rigidity.

The Shimano PD-M520 weighs about 185 grams per pedal, a marginal increase that translates to slightly slower engagement in acceleration scenarios. However, the difference in efficiency is subtle and largely dependent on rider preference and terrain type.

The ATAC XC 2 provides a smoother power transfer for long climbs and endurance rides, while the M520’s firm engagement appeals to sprint-oriented riders seeking a more direct pedal feel.

Performance in Adverse Conditions

The TIME ATAC XC 2’s self-cleaning system offers superior performance in muddy or snowy conditions. Its open architecture ensures consistent clipping in and out, even when debris is present. This makes it particularly suitable for cyclocross and gravel riders who frequently encounter variable terrain.

Conversely, the Shimano PD-M520’s SPD system can become obstructed in muddy environments, occasionally preventing full engagement. Riders using the M520 in such conditions must routinely clean the pedal and cleat interface to maintain optimal function. Nevertheless, it performs reliably in dry or moderate-weather scenarios, providing stable engagement and release.

Rider Feel and Biomechanics

Riders switching between these two systems will immediately notice the difference in float and feel. The TIME ATAC XC 2 allows more natural foot movement, accommodating slight variations in pedaling form without causing strain. This flexibility benefits riders recovering from injuries or those prone to knee discomfort.

The Shimano PD-M520 delivers a more locked-in sensation, ideal for riders who demand consistent alignment and prefer a rigid pedaling platform. However, the reduced float can feel restrictive to those accustomed to freer movement, especially during long-distance efforts.

Durability and Longevity

Both pedals are engineered for long service life, but their wear characteristics differ. The TIME ATAC XC 2’s composite body resists corrosion effectively, while the brass cleats gradually wear to preserve the pedal interface. Shimano’s all-metal construction ensures durability against impacts but may suffer cosmetic wear from repeated clipping and debris exposure.

Under heavy usage, the ATAC XC 2 typically requires less frequent cleat replacement, while the M520 may need periodic attention to maintain smooth release function. Riders focused on longevity with minimal upkeep often find the TIME system more forgiving in the long term.

Which Pedal Should You Choose?

Cyclists who value comfort, easy engagement, and low maintenance will benefit from the TIME ATAC XC 2. Its lightweight design, natural float, and excellent self-cleaning ability make it ideal for endurance riders, cyclocross racers, and those seeking biomechanical efficiency.

In contrast, the Shimano PD-M520 is best suited for budget-conscious riders or those who prefer a tighter, more controlled feel. It provides reliable performance and serviceability at a lower cost, albeit with slightly higher maintenance needs.

Ultimately, the choice depends on the rider’s priorities—comfort and self-cleaning performance favor the TIME ATAC XC 2, while rigidity and adjustability favor the Shimano PD-M520.

Conclusion

The TIME ATAC XC 2 pedals stand out for their superior mud clearance, generous float, and ease of maintenance, offering a forgiving and efficient ride experience. Meanwhile, the Shimano PD-M520 remains a dependable workhorse, known for its adjustability and proven SPD interface. Riders seeking natural motion and long-term comfort should opt for the ATAC XC 2, whereas those preferring a firmer, performance-oriented setup may lean toward the PD-M520.

ATAC XC 2 Pedals vs. Shimano SPD M520: Key Differences Every Cyclist Should Know

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The TIME ATAC XC 2 [paid link] pedals and the Shimano SPD M520 are both popular choices among cross-country and gravel riders seeking durable, clip-in pedal systems for all-weather reliability. However, while they serve a similar purpose, the design philosophy, engagement mechanism, and long-term performance differ significantly between the two. This guide provides an expert-level [paid link] comparison to help riders make an informed decision when choosing between these two renowned pedal models.

Design and Construction

The ATAC XC 2 [paid link] pedals feature TIME’s distinctive Auto Tension Adjustment Concept (ATAC) mechanism, known for its self-cleaning engagement system and generous float range. The composite body reduces weight while maintaining stiffness, making it a strong entry-level [paid link] model for competitive cross-country use.

In contrast, the Shimano SPD M520 uses a dual-sided steel retention system with an aluminum body and chromoly spindle. The design prioritizes proven durability and a predictable feel underfoot. While heavier than the ATAC XC 2, the SPD M520 has a reputation for withstanding years of rugged use with minimal wear.

Where TIME emphasizes biomechanical freedom and mud-shedding ability, Shimano prioritizes tight engagement and longevity under load.

Engagement and Float Mechanism

The most noticeable difference lies in how each pedal engages and releases the cleat. TIME’s ATAC mechanism provides a self-cleaning interface that ejects mud and debris automatically as you clip in. The engagement angle is broad and forgiving, allowing easy entry even in challenging trail conditions. The ATAC XC 2 offers ±5° of angular float and 6 mm of lateral float, which helps reduce knee strain and allows a natural pedaling motion.

Shimano’s SPD M520, on the other hand, offers a tighter engagement feel with adjustable release tension. It provides 4° of float, slightly less than the ATAC XC 2. Riders who prefer a firm, locked-in sensation during sprints or climbs often gravitate toward the SPD design. However, it can feel restrictive to riders seeking a more fluid pedaling motion.

Weight and Efficiency

Weight plays a critical role for cross-country riders aiming to minimize rotational mass. The ATAC XC 2 pedals weigh approximately 151 grams per pedal, while the Shimano SPD M520 comes in at around 185 grams per pedal.

This 30–35 gram difference per pedal may seem small but can influence acceleration responsiveness and climbing efficiency. TIME’s minimalist composite body design achieves lower weight without compromising pedal stiffness, giving it a slight advantage for riders focused on racing or long-distance performance.

Maintenance and Durability

Maintenance requirements differ significantly between the two systems. The ATAC XC 2 features a sealed steel bearing and bushing system that resists contamination. Its open architecture prevents mud buildup, minimizing the need for frequent cleaning or relubrication. Routine inspection of the spring and engagement mechanism ensures optimal longevity.

Shimano’s SPD M520 pedals use cup-and-cone bearings, which require periodic adjustment and greasing. This design allows for complete serviceability, but it also means more frequent maintenance intervals, especially in wet or muddy conditions. For riders comfortable with mechanical upkeep, the SPD’s serviceable bearings may extend lifespan.

Overall, the ATAC XC 2 offers lower maintenance demands, making it appealing for riders who prefer a “fit and forget” system.

Mud Shedding and Off-Road Performance

The ATAC XC 2’s self-cleaning mechanism is its standout advantage in off-road conditions. TIME engineered the retention system to expel mud automatically, which maintains consistent engagement even in sticky or clay-heavy terrain. Riders who frequently encounter wet trails, cyclocross conditions, or gravel events benefit from this superior debris management.

Shimano’s SPD M520, although reliable, can accumulate mud and require manual clearing before clipping in. While its spring tension can be loosened to aid entry, it rarely matches TIME’s automatic self-cleaning efficiency.

Cleat Design and Compatibility

The ATAC XC 2 uses TIME’s proprietary ATAC cleats [paid link], which provide generous float and are made from brass for improved wear resistance. Cleat setup is straightforward, and replacement cleats are widely available. However, these cleats are not cross-compatible with SPD shoes or pedals.

Shimano’s SPD cleats are the industry standard, compatible with a wide range of cycling shoes and pedal systems from multiple brands. This universality makes them easier to replace and ideal for riders with multiple bikes using SPD-compatible pedals.

For riders prioritizing freedom of movement and knee comfort, the TIME cleat system offers a clear advantage. For those valuing universal compatibility, Shimano’s SPD system remains more practical.

Ride Feel and Pedaling Dynamics

Riders often describe the ATAC XC 2 as offering a natural, fluid pedaling sensation. The combination of lateral float and flexible engagement promotes smooth power delivery, especially over uneven terrain. The forgiving entry and release motion also make the pedal ideal for long rides where comfort is paramount.

In contrast, the SPD M520 provides a snappier, more mechanical feel. The engagement is crisp and definitive, ideal for riders who prioritize direct power transfer and a locked-in pedaling platform. This characteristic benefits aggressive riders who prefer precision and minimal pedal movement during sprints or technical climbs.

Customization and Adjustment

The ATAC XC 2 pedals do not include adjustable release tension, as the ATAC mechanism automatically adapts to the rider’s cleat position and wear. While this limits customization, it also eliminates setup errors and ensures consistent release tension throughout the pedal’s lifespan.

Shimano’s SPD M520 features a manual tension adjustment screw on each side of the pedal, allowing fine-tuning of engagement resistance. This flexibility lets riders modify the pedal’s feel based on terrain, shoe stiffness, or personal preference.

For cyclists who appreciate simplicity and consistent performance, the ATAC XC 2’s auto-adjusting system excels. Those who prefer full control over engagement force may find the SPD M520 more suitable.

Price and Value

Both models fall within the budget-friendly segment of clip-in pedal systems. The ATAC XC 2 typically retails slightly higher than the SPD M520 due to its lighter construction and self-cleaning design. However, the maintenance savings and improved float mechanics may offset the initial cost over time.

Shimano’s SPD M520 offers exceptional long-term value through robust serviceability and widespread parts availability. For riders prioritizing affordability and proven reliability, the SPD M520 remains a strong choice.

Final Verdict: Which Pedal Should You Choose?

The TIME ATAC XC 2 and Shimano SPD M520 both deliver dependable performance, but they cater to different rider priorities.

Choose the TIME ATAC XC 2 if you value:
- Lightweight construction
- Superior mud clearance
- Increased float and knee comfort
- Minimal maintenance requirements
Choose the Shimano SPD M520 if you prefer:
- Adjustable tension control
- Universal cleat compatibility
- Maximum durability and serviceability
- A firmer, locked-in pedal feel

For riders who spend long hours on unpredictable terrain, the ATAC XC 2’s self-cleaning design and forgiving engagement make it the more technically advanced option. However, for riders who prioritize durability, adjustability, and cost-effectiveness, the SPD M520 remains a benchmark of reliability.

Ultimately, your choice should align with your riding style and maintenance preferences. Both pedals represent the pinnacle of their respective design philosophies—TIME focusing on ergonomic performance, and Shimano emphasizing enduring dependability.