Apico Brake Cooling Extension Rear - MRBC-11 EXT BK

The Apico Brake Cooling Extension Rear is designed to increase the total volume of brake fluid in ...

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GhostBikes.comApico Black Mrbc-11 Ext Bk - Brake Cooling Extension Rear For Suzuki Rm/Rmz & Kawasaki Kx/Kxf-Xc 2003-2023
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Product Information

Full details

The Apico Brake Cooling Extension Rear is designed for off-road enthusiasts and racers who need to prevent brake fade during intense riding conditions. By increasing the total volume of brake fluid in the rear reservoir, it improves thermal management, though it is specifically engineered for compatibility with select Suzuki and Kawasaki models, so users should verify their bike's year and model before purchase. This CNC-machined component offers both a performance upgrade and a professional aesthetic finish.

All features

Model Part NumberMRBC-11 EXT BK
BrandApico

Extended Product Information

FAQs

Does this include the gasket?

Yes, each unit comes complete with a new gasket for a secure, leak-free installation.

Will this fit my Yamaha or Honda?

No, this specific model (MRBC-11 EXT BK) is engineered for Suzuki RM/RMZ and Kawasaki KX/KXF-XC models (2003-2023).

Do I need special tools to install this?

No, standard hand tools are sufficient for installation, though you will need brake fluid and bleeding equipment.

How does it prevent brake fade?

By increasing the total volume of fluid, the system takes longer to heat up to the point of fading, providing more consistent braking performance.

Is the finish durable?

Yes, the unit features an anodised finish specifically designed to provide protection against corrosion and wear.

Troubleshooting

Spongy brake pedal feel after installation

Air has likely entered the system during installation; perform a complete rear brake bleed.

Fluid leakage around the base of the extension

Ensure the provided gasket is correctly seated and the extension is tightened to the recommended torque specification.

Pros and Cons

Pros

  • Reduces the risk of brake fade during high-performance use
  • High-grade 6061 T6 billet aluminium construction
  • Simple, quick installation process
  • Resistant to corrosion thanks to anodised finish
  • Adds a professional factory look to the motorcycle

Cons

  • Compatibility limited to specific Suzuki and Kawasaki models
  • Requires careful bleeding of the brake system after installation
  • Does not replace the need for regular fluid changes

Setup, Compatibility & Care

Installation is straightforward but requires mechanical care. First, ensure the area around the original reservoir is clean to prevent debris from entering the system. Remove the stock cap, install the extension with the provided gasket, and secure it firmly. Because this involves the hydraulic system, you must bleed the rear brake line thoroughly after installation to remove any air trapped during the process. This product is compatible with Suzuki RM/RMZ and Kawasaki KX/KXF-XC models produced between 2003 and 2023. Regular care includes periodically checking that the seal remains tight and ensuring the reservoir remains filled to the appropriate level.

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