Master Brake Cylinder

Master Cylinders for Precise and Powerful Braking Control

The master cylinder is the heart of the hydraulic braking system. This cylinder converts the force from the brake lever or brake pedal into hydraulic pressure, which controls the brake calipers. A well-functioning master cylinder ensures direct, easily controllable braking force and a reliable feel at the lever.

Function and Construction

A master cylinder consists of a piston, spring, and seals that pressurize the brake fluid. As the components wear, pressure build-up can decrease, leading to a spongy feel in the lever. Regular maintenance or replacement prevents this and keeps the braking system in top condition.

When to Replace?

Replace the master cylinder in case of leaks, damaged seals, or reduced braking pressure. If the brake fluid turns dark or the lever slowly sinks, this is often a sign of internal wear. If in doubt, always check the condition of both the front and rear master cylinders.

Installation and Maintenance Tips

When installing, pay attention to the correct connections and brake line diameter. Use only brake fluid of the recommended type (DOT 4 or DOT 5.1, depending on your motorcycle). Bleed the system carefully to prevent air bubbles. After installation, thoroughly check the operation and seals.

Easily Find the Right Master Cylinder

With the motorcycle selector, you can quickly find the correct master cylinder for your make, model, and year. This ensures that the fit, pressure ratio, and connections are exactly right for safe and powerful braking performance.