1、Strong Compatibility: Rear hydraulic disc brake is replacement for Trail mini Bike monkey Z50, which is made according to the prototype model. 2、Easy Control: Disc brake can realize faster braking effect, not easy to produce shaking and wear, and can better control your motorcycle. 3、Efficient Braking: Adopts hydraulic system, featuring fast response, high accuracy and sensitivity, stable braking force and good reliability. 4、Sturdy Construction: Made of high strength metal alloy material, durable and high temperature resistant, excellent stability and long service life. 5、Ideal Replacement: Used to replace the original damaged old brake pump, improve braking performance, increase the safety of your vehicle. Item Type: Rear Hydraulic Disc Brake Material: Metal alloy Application: Replacement for Trail mini Bike monkey Z50 1 x Rear Disc Brake Pump Assembly 1 x Disc Brake 1 x Bracket 2 x Install Gasket