Wheel size (Inch)：20"-29.5"
Construction：Two-stage gearing
Reduction gear ratio：1: 31.11
Rated voltage (DCV)：36V~48V
N0(Rpm)：100
Rated power(w)：350W~400W
Max. power(w)：500W
Nt(Rpm)：90
Max torque (N.m)：120N.m
Efficiency (%)：≥80
Pedal sensor：Torque
Color：Black
Weight (kg)：3.5
Noise grade (dB)：<55dB
Operating temperature：-20°C~45°C
Walk assistance：Y
E-brake：Y
Rear light：6V/3W
Tests：IP65