Open Size(mm) :Front Motor: 100mm; Rear: 135-142/145mm
Rated Voltage(V): 36V /48v
Rated Power(W) : 36V 250W/ 36V 350W / 48V 500W
Wheel Size (inch): 16''/ 18''/ 20''/ 22''/ 24''/ 26''/ 27.5''/ 700C
RPM: 350 for 36V ,425 for 48V
Rated Speed(km/h): 25-32/30-35
Rated Efficiency(%): >=80
Reduction Ratio: 1:05
Weight(KG): about 3.5
Drive and Freewheel: N/6-9S/7S-11S
Cable Location: shaft center right
Spokes Specification: 12G/13G
Hallsensor: Yes
Integrate speed sensor: Yes
Surface: Black
Brake type: V/Disc brake
Salt fog test: 24/96
Noise(db): <55db
Waterproof Grade: IP54