CNC Hydraulic Brake, Rear. Widely used for dirt/pit bikes,CRF50,CRF70,KLX, Apollo,Monkey/giraffe Dirt Bike,2 wheel motorcycles CNC Hydraulic Brake, Rear.Widely used for dirt/pit bikes,CRF50,CRF70,KLX, Apollo,Monkey/giraffe Dirt Bike,2 wheel motorcycles CNC Hydraulic Brake, Rear