F7
36V 250W / 48V 500W/750W Real Motor,36V 20AH / 48V 15AH,20"(2.125"/3.0"/4.0") inch E-FOLDINFG
The 336V 250W / 48V 500W/750W 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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