This Rear Foot Disc Brake Master Cylinder Assembly Fit for 150cc 200cc 250cc Chinese ATV Quad Taotao Boulder B1 Coolster 3050HD and many other model. The Complete Rear Foot Disc Brake Assy is with brake fluid and brake pad installed,ready to go. Please verify model number and size prior to ordering to ensure this is the correct part Rear Disc Brake Assembly SPECIFICATION: brake line: 25”(630mm) Top Pump installation pitch:50mm; Bottom Pump installation pitch:53mm Made of high quality aluminum alloy material, durable and high-temperature resistant.High level of accuracy and sensitivity, enhance safety of your vehicle. Quality Assurance: 100% brand new Rear Disc Brake Assembly, 180 days warranty, Buy with confidence! Please contact with us if there’s any quality or other problem, for a free and easy replacement or refund. Description: 1. Made of high quality aluminum alloy material, durable and high-temperature resistant.High level of accuracy and sensitivity, enhance safety of your vehicle. 2. Manufactured with strict quality control standards. 3. It works very well replacing your old one perfectly. 4. High level of accuracy and sensitivity, enhance safety of your vehicle. 5. Fits for 150cc 200cc 250cc Chinese Taotao ATV Quad Package Included: Rear Disc Brake Assembly x 1pc Size: brake line: 25”(630mm) Top Pump installation pitch:50mm Bottom Pump installation pitch:53mm pls confirm The size of the product meets your requirements before you purchase Note: please allow 0.5-1 inch difference due to manual measurement.1 inch=2.54cm About Parts Quality and After-sale Services To guarantee 100% customers’ satisfaction, we accept unconditional return service and 180 days warranty for all parts. Please contact with us if there’s any quality or other problem.We promise that you will never lose even one buck with our assistance.