ZOOM HB876-E 4-Piston Hydraulic Disc Brakes Electric Bike Front&Rear withPower Off

Electric Bike Brake Disciption: Brand: zoom Model: HB-876E Color: black and red optional Power-off principle: Magnetic induction 2-pin power-off wire Tubing length:1110mm(43.7in)Front/1860mm(73.2in)Rear Material: aluminum alloy Weight: 800g Brake disc size: 160 Fits handlebar diameter: 22mm Brake seat installation size: 51mm/74mm.