13mm Billet Race Rear Master with Integrated Reservoir MotoGP-WSBK (Red Logo) - XA0J010

Item Summary Flagship Billet Rear Master Cylinder 13mm piston size smooth action/increased pressure Built-in Reservoir 40mm spacing mounting Used on WSBK & MotoGP Specifications: - mounting distance: 40 mm - piston diameter 13 mm - with push rod - mounting horizontal - used in: Moto GP, Superbike World Championship, Moto 2 - Brake Fluid DOT 4, or 5.1 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 Specification Details Manufacturer Brembo Racing Part Number XA0J010 Product Type Rear Brake Master Cylinder Piston Diameter 13 mm Mounting Distance 40 mm Reservoir Integrated Material Billet Aluminum Finish Hard-Anodized Pushrod Included Weight Approx. 146 g Brake Fluid DOT 4 / DOT 5.1 Position Rear 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.