Integrated Brake Caliper Electric Motorcycle Modification Disc Brake Lower Pump Designed as a direct replacement for worn or damaged parts it delivers reliable braking power for enhanced riding safety. Easy Installation:Designed for a hassle-free setup, ensuring a quick and straightforward installation. This rear brake master cylinder provides steady hydraulic pressure, delivering smooth, responsive braking force and precise lever control. Its corrosion-resistant piston and durable seals support reliable performance and help avoid fluid leaks, even under frequent use and tough conditions., Manufacturer: PMAGSYQ