Item Summary

• Flagship Billet Rear Master Cylinder
• 13mm piston size smooth action/increased pressure
• Built-in Reservoir
• 40mm spacing mounting
• Used on WSBK & MotoGP
   

• Plunger is a M6 x1.0 pitch.

Technical Specifications

• Material: Billet Aluminum
• Single/Double Disc: Single
• Piston Diameter: 13mm
• Position: Rear
• Type: Axial with Reservoir
• Finishing: Hard Andozed
• Weight: 146gr
• Microswitch: No
• Brake Fluid: DOT4

About the Product

Brembo Racing 13mm Billet Rear Master Cylinder

Integrated Reservoir | MotoGP / WSBK Spec | Brembo XA0J010

Upgrade your braking system with the Brembo Racing 13mm Billet Rear Master Cylinder with Integrated Reservoir, a flagship race component developed for the highest levels of professional motorcycle competition including MotoGP, World Superbike, and Moto2.

Machined from high-strength billet aluminum, this rear brake master cylinder delivers exceptional precision, durability, and weight savings compared to cast OE units. The integrated reservoir design creates a compact and clean installation while ensuring consistent hydraulic pressure and optimal brake modulation under extreme racing conditions.

Designed specifically for racing applications, this component offers professional-level braking control and is widely used on factory race bikes and top-tier performance builds.

Performance Benefits

• Increased rear brake pressure and modulation

• Smooth and consistent hydraulic braking response

• Lightweight billet construction for race applications

• Integrated reservoir for compact installation

• Improved reliability under extreme track conditions

• Used in MotoGP and World Superbike competition

The 13 mm piston diameter provides strong braking pressure while maintaining excellent pedal feel and control.

Key Features

• Genuine Brembo Racing rear brake master cylinder

• CNC-machined billet aluminum body

• Integrated brake fluid reservoir

• 13 mm piston diameter (PS13)

• 40 mm mounting bolt spacing

• Includes pushrod

• Hard-anodized surface finish for durability

• Compact racing design with red Brembo logo

• Designed for professional racing use

Technical Specifications

This billet master cylinder features a 40 mm mounting distance and integrated pushrod, designed for horizontal mounting in race applications.

Race-Proven Engineering

This master cylinder is part of Brembo’s top-tier racing brake program, built using the same engineering principles applied to components used in:

• MotoGP

• World Superbike Championship

• Moto2 racing programs

The billet construction and integrated reservoir design ensure exceptional braking performance, durability, and reliability under the most demanding conditions.

Installation Notes

• Designed primarily for race applications and custom builds

• Professional installation recommended

• May require custom brackets or adapters depending on motorcycle model

• Brake light switch not included