Fit For Rear Brake Caliper For Chinese 50cc-160cc Pit Dirt Bike Motorcycle Spare Parts rear brake caliper assembly Fit For most chinese manufactured For pit dirt bikes ranging from 50cc up to 160cc displacement Matching mounting hole spacing brake disc clearance allows bolt on installation without frame or component Comes pre assembled with brake pads internal return to deliver stable clamping force for reliable off road stopping caliper body with sealed piston rubber gaskets mud water brake fluid leakage on rough trails machined piston ensures balanced brake pad wear responsive braking with minimal dragging during continuous riding