IIIPRO R2X4 Set Freno a Disco Idraulico Bici MTB Anteriore/Posteriore 880/1700mm
IIIPRO R2X4 4-Piston Hydraulic Disc Brake Model: R2X4. Rear brake 1700mm. Brake Pistons: 4 Pistons. It can be used as left front and right rear as well as left rear and right front. ①Cylinder block.