【High performance】 - Provides the perfect lever position, good braking performance and increases driving safety. Hydraulic master cylinder with completely new cast piston return springs and new components to avoid fluid bypassing 【Rear Master Cylinder】 - Aftermarket motorcycle master cylinder with premium quality. Detail size show as the picture 【Service Guarantee】 -: test before shipping to ensure perfect product, stability and durability. If you are not satisfied with our rear brake cylinder please contact us and we will accept any return, exchange or refund request 【High Quality】 - Premium quality motorcycle brake cylinder has been equipped with high quality aluminum alloy material to improve its stable performance and durability. 【Universial Fitment】 - Easy installation, the motorcycle hydraulic master cylinder is universal for most motorcycles, dirt pit bike and ATV if the size is available, such as, Weight: 0.62390820146 Pounds, Manufacturer: Akozon