36V 48V 250W 350W 500W. Rated Power(W):250W 350W 500W. Wheel Size (inch):16''20''24''26''27.5''28''29''700C.
Rated Speed(km/h):25-28(250W 350W) 30-32(500W). Reduction Ratio:1:4.5. Cable Location:shaft center right. Rated Power(W):1000W 1500W.
Wheel Size (inch):20''24''26''27.5''28''29''700C. Rated Speed(km/h):40-45(1000W) 45-50(1500W).