200~350w front and rear motor with rear rear rack lithium-ion battery , available with disc ... the following parts.1, 1set of front wheel brushless geared motor with the mounted rim and spoke and tyre/tube available ... geared motorWheel size: 20",22",24”,26"/ 28"2, 1pcs Motor controller: 1:1 pedal assist3, 1pcs twist hand throttle4, 1sets Electric ...