Universial Fitment --- This rear brake master cylinder pump is a modified parts, can be suitable to most of motorcycle, ATV and Dirt Bike if the size is availableHigh Performance --- Motorcycle rear master cylinder with total new castings pistons and new components to prevents fluid bypassPremium Quality Hydraulic Master Cylinder --- Aftermarket motorcycle replacement brake master cylinder adopted top grade material for enhancing its stable performance and durabilityFolding Design --- Flexible to use and convenient for installation, rear foot brake ylinder pump with professional manufactured, excellent braking performance for enhancing riding security1. Folding design, flexible to use and convenient for installation.2. Adopted top grade material for enhancing its stable performance and durability.3. Professional manufactured, excellent braking performance for enhancing riding security.4. Total new castings pistons and new components to prevents fluid bypass.5. Fit for most of motorcycle, ATV and Dirt Bike if the size is available.