Rear Wheel: 170mm or 190mm. 1x single wheel with hub motor 1x controller 1x SW900 Display 1x PAS 1X Twist Throttle 1x Brake Lever 1x Cabie Tie and Tube Winding. 36V 10Ah Battery fits for 36V 250W 350W E-bike Conversion Kit 36V 15Ah Battery fits for 36V 250W 350W 500W E-bike Conversion Kit 48V 13Ah Battery fits for 48V 500W 750W 1000W E-bike Conversion Kit 48V 14.5Ah Panasonic Cell Battery fits for 48V 500W 750W 1000W 1500W E-bike Conversion Kit 48V 16Ah LG Cell Battery fits for 48V 500W 750W 1000W 1500W E-bike Conversion Kit.This item is in the category "Sporting Goods\Cycling\Bicycle Components & Parts\Electric Bicycle Components". The seller is "onlycarbonwheel" and is located in this country: CN. This item can be shipped to United States, Canada.