S2
48V250W/48V500W Rear Moto ,48V 10.4AH / 48V 15AH) ，27.5 Inch E-City
The 48V 250W/48V 500W Rear Motor provides powerful power suport for maximum speed of 25km/h-32km/h, SHlMANO external 7-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