Product Details: Model: Boma MOTOR MY1020 Motor Type: High-Speed Brushless Motor Output Power: 3000W Rated Speed: 4900 RPM Weight: 4.8 kg Shaft Diameter: 12 mm Applicable Controller: 72V 3000W Applicable for: Electric Scooter, Ebike, Folding Bike, Small E-Moto, Machine, Mini Electric Car, DIY Go Kart, ATV Quad, Buggy Sprocket Model: T8F 11T Note: The motor requires a compatible controller, throttle, power lock, and a 72V voltage battery for operation.