Master Cylinders

Take total command of your hydraulic system with the professional range of motorcycle master cylinders at On Yer Bike. The master cylinder is the brain of your braking and clutch systems, converting lever pressure into the hydraulic force that stops your machine. Whether you are replacing a leaking factory unit or seeking a performance upgrade to transform your braking "bite" and modulation, we have the technical solutions for your motorcycle.

At On Yer Bike, we offer a variety of configurations, including radial master cylinders and traditional axial designs. A radial brake master cylinder is a popular upgrade for track and sports bike enthusiasts, as it aligns the piston directly with the lever pull, significantly reducing internal friction and providing unparalleled tactile feedback. This allow riders to feel exactly how much grip they have left, reducing the risk of accidental lock-ups and improving trail-braking precision.

Our collection includes front brake master cylinders, rear brake master cylinders, and clutch master cylinders from world-renowned brands. We also stock essential accessories such as brake fluid reservoirs, mounting brackets, and rebuild kits for those maintaining their original equipment. If you’re looking to sharpen your bike’s response or simply restore safe operation after a component failure, our range provides the reliability you need. Shop online at On Yer Bike or visit our Aylesbury store for expert advice on choosing the correct piston bore size for your specific calliper setup.