Tyre:  Brushless Geared DC hub motor
Rated Voltage(V): 36V
Rated Power(W):       350W
Wheel Size (inch): 16''18''20''22''24''26''27.5''700C 28" 29"
RPM: 330
Rated Speed(km/h): 25-32 
Rated Efficiency(%):  >=80 
O.L.D(mm): 100mm Front/135-142mm rear 
Freewheel: 6-10Speed
Spokes Specification: 12G/13G 
Hallsensor: Yes 
Integrate speed sensor: Yes 
Brake type: V/Disc brake 
Noise(db): <55db 
Waterproof Grade: IP54 
Salt fog test: 24/96
Cable Location: Shaft center right
Weight: 2.6g Front/2.8kg Rear