28 36V 500W ebike conversion kit for rear wheel 1. Spokes and aluminum circle 4. 36V 500W controller 5. Twist throttle with 5 star 8. 28 inch Rear Wheel E-Bike Electric Bicycle Conversion Kit Motor Wheel 36V 500W. 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. 28 36V 500W ebike conversion kit for rear wheel. Spokes and aluminum circle. Twist throttle with 5 star. This electric bicycle kit contains everything needed (except battery) to be your bike in a hoche performance. Which provides unparalleled performance and reliability. The suits are not waterproof. Please don’t ride in the rainy day. We use the brake cable with a power cord, our clients can use disc brakes. But can not use hydraulic brake. About the battery: the size of amps determines the amount of battery storage, the battery storage determines the length of using time, the battery in our pack must match the interface of our controller. When installing, make sure that the wiring is not reversed. Otherwise, it may damage the product. France, Germany, spain, Italy. Feedback is very important to us. It is impossible to address issues if we do not know about them! Please keep the original box or packaging within 15days since item received. Your satisfaction is our ultimate goal. We work hard to earn your trust and future business. A If you receive a defective item, you may return it or ask for a discount. Due to time zones, our reply to your questions may not be immediately. If it’s non-workdays, please kindly be patient and wait till Monday.