Rear Hydraulic Brake Master Cylinder Caliper Assembly with New Brake Pads for 50cc 70cc 90cc 110cc 125cc ATV Quad Taotao Sunl Roketa NST Complete hydraulic rear brake assembly Fit most 50cc, 70cc, 90cc, 110cc, and 125cc Chinese made ATVs and quads. New brake pads are pre-installed. Brake hose is 19"; Caliper mounting hole spacing: 2 1/2"