... to climb 5.CE Rohs certificate JKXH electric rear wheel motor Product's detail specification as below:1.24V, ... 7Ah,10Ah,16Ah7Ah,10Ah,16Ahall battery is with BMS in Rack,Tube,Lift,Frog styleController:34V,36V,48V Intelligent controllerCharger: ... with all kinds of certificates.4A is also available.Wheel/Rim:16-28"(700C),Aluminium alloy or steelPAS:1 ... a greener way of life! JKXH electric rear wheel motor