Make your bicycle turn into an electric moped, brushless hub motor, noise-free operation, and fully enjoy the fun of riding. Suitable for DIY electric bikes. Fits for 20 inch rims. The speed of the motor is 25km/h, which is suitable for riders who like challenges. 36V 250W motor specification, strong and powerful. It is very easy to install and easy to operate. Item Type: Electric Bicycle Conversion Set Color: As Pictures Shown Speed: 25 km/h. 183cm/72in Fits for 20in Rims. 1 x Throttle Grip. 1 x Throttle Grip Clamp. 1 x Spoke cap installation wrench. This model is suitable for 20-inch 36-hole bicycle rims. Please confirm the specifications and size when purchasing. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Instead of leaving negative/neutral feedback or opening a dispute. Our listing price includes the value of goods, packaging cost, and export. Please check with your country’s. 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.