The Most Common Campagnolo Record 12s Disc Brake Problems and How to Solve Them

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The Campagnolo Record 12s Disc Brake [paid link] is a top-tier component known for its precision and high performance. However, like any advanced piece of cycling technology, it may experience certain issues that can impact your riding experience. Understanding the most common problems and how to fix them is crucial for maintaining optimal braking performance.

1. Brake Fade Under Heavy Braking

What Is It?

Brake fade occurs when the braking power of the system diminishes after prolonged or aggressive use, such as during steep descents. It typically happens due to excessive heat build-up in the brake pads or rotors.

How to Fix It:

  • Ensure Proper Cooling: If you notice brake fade, allow the brake system to cool down before continuing. Heat is the primary cause of brake fade, so ensuring adequate airflow is crucial.
  • Check Rotor and Pad Condition: Inspect both the rotor and brake pads for signs of wear or overheating. If the pads have become glazed or the rotor has uneven wear, replace them.
  • Upgrade to High-Performance Brake Pads: Consider switching to heat-resistant or higher-quality brake pads designed to withstand extreme temperatures.

2. Noisy Brakes

What Is It?

Noise during braking is a common issue with disc brakes, and it can range from squealing to grinding. In the case of the Campagnolo Record 12s [paid link], this problem is typically caused by pad contamination, misalignment, or dirt buildup.

How to Fix It:

  • Clean the Rotor and Pads: Clean both the rotors and brake pads with a mild degreaser or isopropyl alcohol to remove any oil, grease, or dirt. Avoid using harsh solvents that may damage the components.
  • Check Pad Alignment: Ensure the brake pads are properly aligned with the rotor. Misalignment can cause uneven contact, leading to noise.
  • Resurface the Rotor: If the rotor has become excessively scored or warped, it may need to be resurfaced or replaced. A smooth rotor surface is essential for quiet braking.

3. Brake Pull Issues (Soft or Hard Feel)

What Is It?

If the brake lever pulls too easily or feels excessively hard, it can indicate a problem with the hydraulic brake system, which can be due to air in the brake lines or incorrect brake fluid levels.

How to Fix It:

  • Bleed the Brakes: If the brake lever feels soft, there may be air trapped in the brake lines. Bleeding the brakes will remove the air and restore proper lever feel. Use the Campagnolo recommended tools and fluids for bleeding.
  • Check Brake Fluid Levels: Ensure the brake fluid is at the proper level [paid link]. Low fluid levels can cause soft braking, while overfilled reservoirs may lead to a stiff lever.
  • Inspect for Leaks: If the brake system is still not performing correctly after a bleed, check for any fluid leaks in the lines or at the caliper connections.

4. Inconsistent Braking Power

What Is It?

Inconsistent braking can be a frustrating issue, where the brakes seem to work fine at times but feel weak or unresponsive during other braking attempts. This problem can be related to several factors, such as rotor contamination, brake pad wear, or hydraulic issues.

How to Fix It:

  • Inspect Brake Pads: Check the condition of the brake pads for uneven wear or contamination. Replace pads that have worn down unevenly or have become glazed.
  • Clean the Rotors: Even a small amount of contamination on the rotor can cause inconsistent braking. Clean the rotors thoroughly to eliminate any debris or oils that may have accumulated.
  • Check Hydraulic Lines: If the issue persists, inspect the hydraulic lines for any leaks or damage. Ensure there is no air trapped within the system, as this can lead to inconsistent braking performance.

5. Spongy or Unresponsive Lever

What Is It?

A spongy brake lever is often the result of air in the hydraulic brake system. This issue leads to reduced braking efficiency and a feeling of increased lever travel before engagement.

How to Fix It:

  • Bleed the Brakes: Air in the hydraulic lines is the most common cause of a spongy lever. Use the Campagnolo-specific bleed procedure to remove air bubbles from the system.
  • Check for Leaks: If bleeding doesn’t resolve the issue, check for leaks in the brake lines. A small leak can let air into the system, causing spongy lever feel.
  • Replace Brake Fluid: Old or contaminated brake fluid can also cause poor brake performance. If the fluid appears dark or contaminated, replace it with fresh, recommended brake fluid.

6. Rotor Warping

What Is It?

Rotor warping occurs when the rotor becomes bent or warped, usually due to excessive heat, improper installation, or physical impact. Warped rotors can lead to inconsistent braking and may cause the brake pads to rub against the rotor even when not braking.

How to Fix It:

  • Check for Warping: Spin the wheel and observe the rotor closely. If you notice any wobbling or uneven rotor movement, it may be warped.
  • Resurface the Rotor: In some cases, rotors can be trued by a professional mechanic to correct minor warping. However, severe warping often requires replacing the rotor.
  • Proper Rotor Installation: Ensure the rotor is installed correctly, with the correct torque values applied to the rotor bolts. Avoid over-tightening, as this can lead to warping.

7. Poor Performance After Installation

What Is It?

After installing new Campagnolo Record 12s [paid link] disc brakes, you may experience poor braking performance, such as weak or inconsistent braking. This could be caused by improper installation or initial setup issues.

How to Fix It:

  • Check Brake Pad and Rotor Alignment: Double-check that the brake pads are properly aligned with the rotor. If the pads are misaligned, they may not contact the rotor evenly, leading to poor braking performance.
  • Bleed the Brakes: After installation, it’s important to ensure the hydraulic system is properly bled. Air in the lines can reduce braking efficiency and make the lever feel soft or unresponsive.
  • Check for Rotor Contamination: New rotors may sometimes have a protective coating that needs to be cleaned off. Use isopropyl alcohol to clean the rotor before use to ensure optimal braking performance.

Conclusion

While the Campagnolo Record 12s Disc Brake [paid link] system is a high-quality and reliable component, it’s important to stay proactive in addressing common problems. From brake fade and noisy brakes to hydraulic issues and rotor warping, understanding these common problems and how to fix them will ensure your braking system operates at peak performance. Regular maintenance, proper installation, and attention to detail can extend the lifespan of your brakes and improve your overall riding experience.