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S1 china manufacturer wholesale Electric bicycle

500W motor 

22A controller

14*2.5 vacuum tire 

three speed shift

48V20AH





产品介绍
产品参数


500W motor 

22A controller

14*2.5 vacuum tire 

three speed shift

48V20AH





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+8618702239616

Address:Dazhangzhuang Industrial Park, Beichen District, Tianjin
Email:578617100@qq.com