Tyre: Brushless Gearless DC hub motor
Rated Voltage(V):48V
Rated Power(W):      1000W,1500W
Wheel Size (inch):16''18''20''22''24''26''27.5''700C 28" 29"
RPM:470 for 1000W,540 for 1500W
Rated Speed(km/h):55-60
Rated Efficiency(%): >=80 
O.L.D(mm):135mm Front/170-190mm rear 
Freewheel:6-10Speed
Spokes Specification:12G/13G 
Hallsensor:Yes 
Integrate speed sensor:No 
Brake type:V/Disc brake 
Noise(db):<55db 
Waterproof Grade:IP54 
Salt fog test:24/96
Cable Location:Shaft center Left
Weight:6.2g Front/6.3kg Rear