Gear up your for BAFANG motore nylon riduttore primario ingranaggio ricambio
For Bafang mid-mounted motors 36 V / 48 V 250 W / 350 W / 500 W / 750 W / 1000 W. Nylon is a necessary evil is because if steel gears were used it would be very noisy. good compatibility for 01, 02, for HD.