How to Install, Adjust, and Maintain the Apex AXS Shifters

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in Apex, AXS, Shifters, SRAM

When it comes to road biking, one of the most important components to ensure a smooth ride is the shifters. The Apex AXS shifters [paid link] from SRAM offer top-tier technology and performance, combining wireless electronic shifting with a user-friendly design. However, proper installation, adjustment, and maintenance are crucial to getting the most out of your Apex AXS system.

In this guide, we’ll walk you through everything you need to know to keep your Apex AXS shifters [paid link] in optimal working condition.

Tools Required

Before diving into the installation, adjustment, and maintenance of your Apex AXS shifters [paid link], it’s essential to gather the correct tools. Here’s what you’ll need:

  • Torque wrench [paid link] (for precise tightening)
  • 5mm and 3mm Allen wrenches [paid link]
  • Flathead screwdriver (for minor adjustments)
  • SRAM AXS charger
  • Crankset removal tool (if replacing cranks)
  • Cable cutters
  • SRAM AXS app (for pairing and adjusting settings)
  • Grease (for installing parts)
  • Electrical tape (optional, for securing wires during setup)

Installing the Apex AXS Shifters

1. Prepare Your Bike and Shifters

Before you start the installation process, ensure that your bike is clean and ready for the new components. If you’re replacing old shifters, carefully remove them with the appropriate tools, such as a 5mm Allen wrench [paid link] for brake levers or an Allen wrench [paid link] set for the shift cables.

2. Install the Brake Levers and Shifters

Position your Apex AXS shifters on the handlebars. The brake lever should be aligned with the position that’s comfortable for your riding style. Use a 5mm Allen wrench [paid link] to securely attach the levers to the handlebar clamps, ensuring they are at the correct angle.

  • Tip: Ensure that your shifters are positioned at an ergonomic angle to minimize hand fatigue and ensure smooth shifting.

3. Mount the Derailleur and Crankset

Next, install the front and rear derailleurs using the same procedure for the Apex AXS system. For the rear derailleur, ensure the hanger is properly aligned to avoid any shifting issues.

  • Tip: When attaching the front derailleur, make sure it is positioned within the recommended height from the large chainring, as this affects performance.

4. Install the Chain and Check for Compatibility

The Apex AXS system is designed to work with specific chainrings and cassettes, so make sure that your chain, cassette, and cranks are compatible with the system. After installing the chain, make sure it is the correct length and that it moves smoothly over the cassette.

5. Install the AXS Battery and Connect the System

The Apex AXS shifters are wireless, which means the system is powered by a rechargeable battery. Install the AXS battery on the rear derailleur and connect it to the shifters. Once everything is connected, pair the components via the SRAM AXS app. This allows you to customize and adjust settings such as button functions, shift speed, and more.

Adjusting the Apex AXS Shifters

After installation, you’ll need to fine-tune the shifting performance to ensure your bike is operating at its best.

1. Adjust the Cable Tension

Even though the Apex AXS system is wireless, some initial setup might still require minor cable tension adjustments, especially for the front derailleur. Use your 3mm Allen wrench to adjust the tension until you hear crisp, clear shifting.

2. Set the Limits for the Derailleurs

Limit screws are crucial in ensuring that your derailleurs do not overshoot or under-shift, which can cause chain drop or poor gear engagement. Use a 5mm Allen wrench to adjust the limit screws on both the front and rear derailleurs.

  • Tip: Always check the derailleur travel after adjusting the limits. Make sure the chain moves smoothly across all gears without skipping.

3. Adjust Shifter Button Functions in the AXS App

One of the perks of the Apex AXS system is the ability to program button functions using the SRAM AXS app. If you prefer to have a specific button assigned to a certain action (such as shifting up or down), this app allows you to make those customizations quickly.

4. Fine-Tune Shifting Speed

The Apex AXS system offers customizable shifting speed. In the app, you can set the shifting to be fast for racing or slower for a more controlled ride. Experiment with different settings to find what works best for your riding style.

Maintaining the Apex AXS Shifters

Proper maintenance will extend the life of your Apex AXS shifters and ensure they perform at their peak.

1. Regular Cleaning

Dirt, grime, and sweat can build up on your shifters and derailleurs over time, which may hinder performance. Use a soft cloth and mild soap to clean the shifters, derailleur, and cables. For the wireless components, be sure not to get them too wet.

  • Tip: Make sure to clean the battery terminals and contacts on the AXS battery to ensure a solid connection.

2. Lubricate Moving Parts

Ensure that the pivot points and chain are properly lubricated. Use a high-quality chain lube for the drivetrain and apply a small amount of grease to the pivot points of the shifters and derailleurs. Be careful not to over-apply, as too much grease can attract dirt.

3. Check Battery Levels Regularly

The Apex AXS system uses a rechargeable battery that should be checked regularly. Using the SRAM AXS app, you can monitor the battery level [paid link] and ensure it’s charged before every ride. If the battery is low, charge it with the provided charger.

4. Update the Firmware

SRAM regularly releases firmware updates to improve system performance. It’s a good idea to check the SRAM AXS app for updates periodically. Installing these updates ensures your system is always running with the latest features and optimizations.

Troubleshooting Common Apex AXS Shifter Issues

Despite being an advanced, wireless system, the Apex AXS shifters can experience occasional problems. Here are some common issues and solutions:

1. Shifters Not Responding

If your shifters are not responding or are sluggish, check the battery level [paid link]. Low battery power can affect performance. You can also check the app for any system errors.

2. Erratic Shifting

If shifting feels erratic or inconsistent, check the alignment of the derailleurs. Ensure that both the front and rear derailleur limit screws are correctly set. Additionally, verify that the chain and cassette are compatible with the Apex AXS system.

3. Wireless Connectivity Issues

If you experience issues with wireless connectivity between your shifters and derailleurs, try resetting the connection through the SRAM AXS app. Ensure that both the battery and the derailleur are sufficiently charged.

Conclusion

Installing, adjusting, and maintaining your SRAM Apex AXS shifters ensures smooth, efficient, and reliable performance on every ride. By following the steps in this guide, you can get the most out of your shifters, ensuring that every gear change is precise and effortless. With regular maintenance, firmware updates, and careful adjustments, your Apex AXS shifters will continue to perform at their best for years to come.