Brembo 15RCS Radial Brake Master Cylinder

Upgrade your motorcycle’s braking performance with the Brembo 15RCS Radial Brake Master Cylinder, a premium braking upgrade designed for single-disc motorcycles and twin-disc motorcycles equipped with floating calipers. Featuring Brembo’s race-proven RCS (Ratio Click System) technology, the 15RCS delivers exceptional braking power, precise modulation, and superior rider confidence for both street and track use.

Manufactured from forged aluminum alloy with precision CNC-machined components, the Brembo 15RCS combines lightweight construction, outstanding durability, and world-class performance trusted by professional racers worldwide.

Key Features

-Brembo RCS (Ratio Click System)

The patented Ratio Click System (RCS) allows riders to switch between two lever ratios to suit different riding styles and road conditions.

18 mm Ratio – Smooth, progressive braking with improved modulation and precise control.
20 mm Ratio – Firmer lever feel with quicker brake response and maximum braking performance.

The lever ratio can be adjusted easily using a standard screwdriver without removing the master cylinder.

-15 mm Radial Master Cylinder

The 15 mm piston diameter is engineered to provide optimal hydraulic performance for single-disc motorcycles and dual-disc motorcycles with floating calipers, delivering consistent brake pressure, excellent lever feel, and enhanced stopping power.

-Premium Brembo Engineering

* Forged aluminum alloy body
* Precision CNC-machined components
* Hard-anodized finish for enhanced durability and corrosion resistance
* Lightweight, race-inspired radial master cylinder design

-Folding Brake Lever

The adjustable folding lever helps minimize damage during accidental drops while providing a comfortable and customizable riding position.

-Integrated Brake Light Microswitch

Supplied with a built-in mechanical brake light microswitch for straightforward installation on compatible street motorcycles.

-DOT 4 Brake Fluid Compatible

Designed for use with DOT 4 brake fluid to ensure reliable braking performance under everyday riding and high-performance conditions.

Ideal Applications

The Brembo 15RCS Radial Brake Master Cylinder is ideal for:

* Sport motorcycles
* Naked bikes
* Supermoto motorcycles
* Track motorcycles
* Performance street bikes
* Selected motorcycles with twin floating front brake calipers

Always verify compatibility with your motorcycle’s brake caliper configuration and hydraulic braking system before installation.

Why Choose the Brembo 15RCS?

The Brembo 15RCS is one of the most popular motorcycle radial brake master cylinder upgrades for riders seeking race-inspired braking performance. Its adjustable RCS technology, premium construction, and MotoGP-derived engineering provide exceptional braking precision, improved lever feel, and outstanding control. Whether you’re upgrading your street bike or preparing for the track, the Brembo 15RCS Radial Brake Master Cylinder delivers the confidence and performance expected from the world’s leading braking specialist.