Rear wheel 170mm

[Popularity] Stable drive system. Powerful and efficient, this motor greatly improves ride comfort. 1500W Rear Rotate Motor Wheel 1500W about 45-50km/h. Brushless Non-gear Hub Motor. [Simple installation] Easy to convert, DIY rear wheel electric bicycle conversion kit, suitable for bicycles with a rear drop size "170/190mm", easily convert your pedal bicycle to motorized bicycle within 1 hour.