About the Product

Brembo High Performance PS 9x19 Front Brake Master Cylinder

Brembo 110D08715 | Integrated Reservoir | Cast Axial Front Brake Master Cylinder for MX & Off-Road Applications

Item Summary

• Brembo High Performance PS 9x19 front brake master cylinder developed for motocross, mini-moto, pit bike, supermoto, and lightweight off-road applications.
• Features a 9 mm piston with 19 mm leverage ratio for excellent brake modulation and progressive lever feel.
• Lightweight cast aluminum axial-body design with silver finish and Brembo red logo.
• Includes an integrated brake fluid reservoir for simplified installation and compact handlebar setup.
• Engineered to deliver consistent braking control and race-proven Brembo hydraulic performance in demanding off-road environments.

About the Product

The Brembo High Performance 110D08715 PS 9x19 Front Brake Master Cylinder is a premium axial front brake master cylinder designed specifically for lightweight off-road, motocross, mini-bike, and supermoto applications where precise braking modulation and rider control are critical. Combining Brembo’s legendary racing heritage with durable construction and refined hydraulic performance, this master cylinder offers a significant upgrade over many OEM braking systems.

Built around a 9 mm piston paired with a 19 mm leverage ratio, the PS 9x19 configuration is engineered to provide smooth brake engagement, excellent rider feedback, and progressive stopping power. This setup is particularly effective on lightweight motorcycles and smaller-displacement racing applications where fine brake control is essential for maintaining traction and confidence on loose or technical terrain.

The master cylinder features a lightweight cast aluminum body with an attractive silver finish accented by the iconic Brembo red logo. Its compact integrated fluid reservoir design simplifies installation while creating a cleaner and more streamlined cockpit appearance compared to separate remote-reservoir systems.

Developed using Brembo’s extensive experience in world-level motorcycle racing, the 110D08715 delivers reliable hydraulic performance, excellent lever consistency, and improved braking confidence during aggressive riding conditions. Whether used for motocross competition, mini racing, pit bikes, supermoto builds, or custom lightweight performance projects, this Brembo master cylinder offers premium braking performance with proven durability and control.

Technical Specifications

Key Features

9x19 Progressive Brake Ratio

The 9 mm piston and 19 mm leverage ratio provide smooth and highly controllable braking feel, especially suited for lightweight motorcycles and technical riding conditions.

Integrated Reservoir Design

The built-in brake fluid reservoir creates a compact and simplified installation while reducing external components and clutter around the handlebars.

Lightweight Cast Aluminum Construction

The durable cast aluminum body offers excellent strength and reduced weight for improved overall motorcycle performance and handling.

Brembo Racing Technology

Developed using Brembo’s extensive motorsport experience, delivering reliable hydraulic pressure, excellent modulation, and consistent lever response.

Compact Off-Road Design

Ideal for motocross, mini racing, pit bikes, supermoto, and custom lightweight performance applications where space and weight savings are important.

Additional Details

Excellent Modulation for Lightweight Motorcycles

The PS 9x19 configuration is especially popular for applications requiring highly controllable front brake feel rather than extremely aggressive braking response.

Typical benefits include:

• Smooth initial brake engagement
• Improved low-speed brake control
• Better traction management
• Reduced rider fatigue
• Predictable braking response on loose terrain

Ideal Applications

Commonly used on:

• Motocross motorcycles
• Pit bikes
• Mini GP race bikes
• Supermoto conversions
• Lightweight off-road motorcycles
• Custom racebike projects

Brembo Hydraulic Performance

Brembo master cylinders are trusted worldwide for their:

• Consistent pressure delivery
• Superior lever feel
• Excellent durability
• High manufacturing quality
• Proven race performance

Professional Installation Notes

• Always use fresh high-quality DOT 4 brake fluid.
• Proper bleeding is essential for maximum performance.
• Verify brake line compatibility prior to installation.
• Inspect lever free play and brake operation after installation.
• Designed for front brake applications only.
  
  
   

• Spare Parts

  • Complete Lever: 10459469
  • Clamp: 10738522

Why Choose the Brembo PS 9x19 Master Cylinder?

The Brembo 110D08715 PS 9x19 offers exceptional braking precision, lightweight construction, and race-proven reliability for riders seeking premium off-road and lightweight motorcycle braking performance. Combining compact integrated-reservoir design with refined hydraulic feel, this master cylinder is an excellent upgrade for serious riders demanding improved control and consistency from their braking system.

Click here to view the complete 2012 Brembo Motorcycle Brakes catalog.

Reservoir Required: When upgrading your master cylinder, you will need an external reservoir to house the excess brake / clutch fluid. The easiest way is to purchase a brake reservoir mounting kit, which has all hardware,hose, clamps, etc included. You can also purchase the reservoirs or tubing separately if you want to custom fit your own.

Banjo Bolts Required: When upgrading your master cylinder, you will need new banjo bolts to connect the master cylinder to your brake lines. Choose a single banjo for OEM brake line configurations (one line to the right caliper with a crossover). Choose a double banjo for dual line configurations (one line to each caliper). For race applications, the banjo bolts do not have pressure switches. For street applications, we recommend banjo bolts with pressure switches that allow you to activate the brake lights.

Brake Fluid Required: Don't forget to purchase some Brake Fluid at the same time, since you will need to re-bleed your brakes after installing your new brake master.