ZTZ IIIPRO E4 MTB Hydraulic Disc Brake Set, 4-Piston Hydraulic Brake Kit for MTB
ZTZ IIIPRO E4 MTB 4-Piston Hydraulic Disc Brake Set. 4-Piston Hydraulic Disc Brake. Ebike/MTB Hydraulic Brake. Split-type Rear Hydraulic Brake Featuring Internal Hose Routing. Waterproofing: Internal routing aids in minimizing the impact of rainwater and humidity on the lines.