M4
48V 250W / 48V 500W Rear Motor，48V 10AH / 48V 15AH，26" inch E-MTB
48V 250W / 48V 500W Rear Motor provides powerful power support for maximum speed of 32km/h-45km/h, SHlMANO external 8-speed transmision system can adapt to different road conditions
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LSF008
36V 250W,36V 7AH Samsung 21700 cells，20 Inch E-Fat bike