Note: while connecting the controller to the wires, please make sure that you connect the right colors to the controller. Otherwise, the controller may be broken. 48V 1000W LCD ebike conversion kit for rear wheel 1. Spokes and aluminum circle 4. Twist throttle with 5 star 8.LCD (about Speed and power) 11. Harness wires This electric bicycle kit contains everything needed (except battery) to be your bike in a hoche performance, which provides unparalleled performance and reliability.