Item Weight:2.53 poundsPackage Dimensions:11.02 x 7.87 x 3.19 inchesPosition:RearChinese Dirt Pit Bike Rear Brake Master Cylinder Assembly Caliper With Extra Spare Brake Pad compatible Baja Apollo Taotao Roketa Sunl SSR 70cc 50cc 90cc 110ccc 125cc 200cc 12mm Hydraulic Rear Disc Brake Caliper Cylinder System With Pad compatible 70cc 110cc 125cc 140cc 150cc PIT PRO Dirt Bike. Rear disc brake assembly, pre-bled brakes compatible easy installation. Precision castings,solidly and durably, good working percompatiblemance. Fits compatible mini ATV quad buggy 4 wheels125cc 150cc Dirt Pit Bike, 90cc Pit Bike. Please check pictures and specifications compatible compatibility. Quality assurance, unconditional lifetime guarantee, so you can purchase now with confidence.