C13
48V 250W / 48V 500W Real Motor,48V 10.4AH / 48V 14AH,20"X4.0 inch E-City bike
The 48V 250W / 48V 500W Rear Motor provides powerful power suport for maximum speed of 25km/h-32km/h, Shimano External 7 Speed system can adapt to different road conditions
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