Apico Braktec Rear Brake Cooling Extension - Black

The Apico Braktec Rear Brake Cooling Extension is a high-performance upgrade designed to assist in...

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GhostBikes.comApico Black Mrbc-10 Ext Bk - Braktec Rear Brake Cooling Extension For Gas Gas Ec/Ec-F 250/350 2021-2025, Mc/Mc-F/Ex/Ex-F 125-450 2024-2025
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Product Information

Full details

The Apico Braktec Rear Brake Cooling Extension is designed for serious off-road and enduro riders who demand consistent stopping power under extreme heat. By increasing the fluid volume and utilizing integrated cooling fins, this upgrade effectively prevents brake fade and fluid boiling during intense riding sessions, though users should note that it requires a precise bleeding process to ensure optimal functionality.

All features

Model Part NumberMRBC-10 EXT BK
BrandApico

Extended Product Information

FAQs

Will this fit all Braktec brake systems?

No, this is specifically engineered for select systems. Please verify your specific model compatibility before installation.

Do I need to replace my brake lines?

Typically no, the extension mounts to the existing master cylinder, but ensure you have enough slack for the additional component size.

How often should I clean the cooling fins?

Clean them whenever you wash your bike to ensure mud or road grime does not insulate the fins and block airflow.

Can I use standard DOT 4 fluid?

Yes, but for the best performance in high-heat situations, a high-boiling-point racing fluid is recommended.

Does this require special maintenance?

Beyond standard brake fluid flushes and system inspections, it does not require additional maintenance.

Troubleshooting

Spongy brake feel after installation

Air is likely trapped in the extension cylinder; perform a complete re-bleed of the rear brake system.

Fluid weeping at the seal

Check that the mounting bolts are tightened to the correct torque specification and ensure the O-ring is properly seated.

Pros and Cons

Pros

  • Significantly reduces brake fade under heavy load
  • Durable CNC-machined build quality
  • Adds essential heat dissipation for long descents
  • Reliable consistent pedal feel

Cons

  • Requires professional-level brake bleeding skills
  • Not compatible with all braking systems
  • Increased bulk compared to the stock component

Setup, Compatibility & Care

Installation requires basic mechanical knowledge of motorcycle hydraulic systems. Because this component increases the overall volume of the braking circuit, you must ensure you have sufficient brake fluid on hand to complete the fill. After installation, perform a thorough gravity bleed or use a vacuum bleeder to ensure no air pockets remain in the extension's reservoir area. Regularly inspect the cooling fins for debris buildup after muddy rides to ensure maximum airflow. Always verify your motorcycle's specific master cylinder compatibility before attempting the upgrade.

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