【PREMIUM QUALITY MATERIAL】: The motor wheels and rims of this conversion kit are made of high-performance aluminum, which is sturdy and durable and not easy to rust. Equipped with a powerful controller, which is helpful to ensure the smooth operation of other parts, making your whole process safer and easier. 【BRUSHLESS GEARLESS MOTOR】: Our electric bicycle rear wheel conversion kit uses an upgraded 2000W brushless gearless motor, which is smoother running and less noisy than brushed motors, thus providing stable power for your bike. And the brushless motor does not need to replace brushes, which makes maintenance easier. 【HIGH EFFICIENCY】: This bike conversion kit is suitable for 29-inch bikes, you can convert your regular bike into an e-bike with 560rpm and 60NM torque, and it is equipped with 9-speed gears, which can be adjusted according to your needs to provide you with a better riding experience. 【MULTI-FUNCTIONS】: The conversion kit is equipped with a clear LCD display that shows the speed, mileage and faults so that you can keep track of the status of your bike. In addition, the kit also features nine-speed adjustment and cruise control to fully meet your needs. 【COMPLETE KIT】: The package of this electric bike conversion kit icontains all the required items, such as handlebars, controller bag, etc., so you don't need to buy them separately, which saves your cost and provides you with more convenience. A detailed installation manual is included in the package, you just need to follow the steps in the manual.