Now bicycle update to e bike is very popular , the tongsheng mid motor kit is one type central type to update our bicye to e bike , the power is 250w 350w 500w ,and the display is VLCD5 big display ,VLCD6 small fix tpe ,and the XH-18 . Now the new type VLCD7 have bluetooth function can connector to App to set the parameter.
we can find the product from www.sunlandsports.com
we can find the product from www.sunlandsports.com
