BAFANG BBS02B 48V 750W Mid Drive Motor Conversion Kit 500C Display 36T Chainring
48V 750W 20 24 26in Snow/Beach E-bicycle Fat Tire Rear Rotate Hub Motor Wheel
Efficiency(%)：≥78. Rated Speed(rpm):340±15 rpm. Construction :Gearless drive. Rated speed(KM):40-50km/h. Rear Dropout(mm):170-175 mm. Torque(N.m)：60 N.m. Noise Grade(DB)：<60. Color：Black.