ThinkTop Bike 4 Piston Hydraulic Disc Brake, MTB Bicycle Oil Pressure 4 Piston
ThinkTop Bike 4 Piston Hydraulic Disc Brake, MTB Bicycle Oil Pressure 4 Piston Driving Brake Caliper, Left (Front) 800/Right (Rear) 1400mm 【4 Piston Driving】 Four-Piston to drive friction disc on both sides at the same time, strong braking force, quick brake, timely reset. 3D cylinder design, vertical cylinder can provide a larger piston in a shorter distance, a gentle pinch...