Aluminum Alloy Material: The electric bike conversion kit features a carefully processed aluminum alloy hub, which enhances the edge of the rim, presenting a lightweight performance. It offers strong load bearing capacity and superior comfort compared to other types of bikes. Suitable for 20 Inch Mountain Bike Modification: This electric bike conversion kit is designed specifically for 20 inch mountain bikes, providing a perfect fit for a seamless and successful modification. Effortless Bike to Electric Conversion: Easily transform your regular bike into an electric bike with this kit. The brushless hub motor ensures a noiseless and stable riding experience, allowing you to fully enjoy the fun of biking with added electric assistance. Seamless Tire Transfer: Simply transfer your existing tires onto the electric bike conversion kit and enjoy a completely new biking experience. What Will You Get: This electric bike modification kit includes 1 hub motor, 1 controller, 1 controller bag, 1 LCD display, 7 display accessories, 1 thumb throttle, 1 power assist sensor, 1 power assist magnetic loop, 1 terminal block, 5 ties and 1 wrapping film. Item Type: Electric Bike Conversion Kit Material: Aluminum alloy Weight: Approx. 11950g/421.5oz Installation Position: Rear drive Rated Power: 3000W Rated Voltage: 72V Rated Speed: about 55 to 70km/h Waterproof Class: IP65 Noise Level. 1 x Hub Motor. 1 x Controller Bag. 1 Pair x Brake Shifter. 7 x Display Accessory. 1 x Display Specification. 1 x Thumb Throttle. 1 x Power Assist Sensor. 1 x Power Assist Magnetic Loop. 1 x Terminal Block. 1 x Wrapping Film. We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. Post a message again because sometimes our message system may block some emails. If you are satisfied with our service, pls. Our aim is to provide Level Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfy. We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders.