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.
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