8 Magnets Pedal Assistant Sensor. Tire and inner tube included. (Kenda tire for 20-28'' 700C, Chaoyang tire only for 29''). The item "36V 350W waterproof complete electric bike kit 20-29inch 700C Ebike conversion" is in sale since Sunday, September 29, 2019.This item is in the category "Sporting Goods\Cycling\Bicycle Components & Parts\Electric Bicycle Components". The seller is "cscwheels" and is located in Shanghai. This item can be shipped worldwide.