【Made for Dirt Pit Bikes】This brake kit for bike is compatible with 50cc, 70cc, 90cc, 110cc, and 125cc dirt pit bike brake systems. It's compatible with setups with a 1.69 caliper mounting hole center distance 【Superb Braking Force】The disc master cylinder and the bike calipers with double pistons adopt a pressure-holding design. This prevents air from entering and negatively affecting the braking power 【Longer Lasting】Equipped with hard-wearing and heatproof brake pads with 15,000km service life. The master cylinder is made with low-pressure casting technology to create a high-strength cavity 【No Leaking Or Dripping Oils】Equipped with a high-purity and high-sealing nit-rile rubber, it stands well against damage caused by extreme temperatures, heat, and oil. A 10mm oiling screw cap is included 【Complete Bike Disc Brake Kit】The package includes 1 front disc brake assembly with brake pad and 1 extra pair of brake pads UPC 750076260760 757233428025 ASIN B07VZ49L9F Brand Name MTATCN Manufacturer Qiufadong Model Number QC035 Material Type Stainless Steel Exterior Finish Stainless Steel Manufacturer Part Number QC035 Compatible with Vehicle Type Off-Road-Motorcycles