Easy Installation: The disc brake hub motor adopts a split design, which is simple to install and convenient to replace tires. It greatly improves the performance of your bike compared with traditional motors.Item Type: Electric bike hub motor Material: Aluminum alloy Size: Approx. 10in/25.4cm Rated Voltage (V): 36V-60V Rated Power (W): 500W-1200W Rated Speed (km/h): 35-65 Motor Speed: 1250Rpm Maximum Efficiency: 84% Cable Position: Right side of shaft center Hall Sensor: Yes Salt Spray Test: 24/96 Noise (db). 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.