R5
48V 250W / 48V 500W ,48V 10.4AH / 48V 14AH ，20"*4.0" Inch E-Fat bike
The 48V 250W / 48V 500W Rear Motor provides powerful power suport fora maximum speed of 25km/h-32km/h, Shimano External 7 Speed transmision system can adapt to diferent road conditions
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