Features: Uses Electric brushless DC motor, aluminum body and full copper coil for good heat resistance, natural air cooling, long lasting. Copper Core: Adopts a copper core for low noise operation and excellent speed regulating performance, to your satisfaction. Motor Specification: High speed motor type, 36V and maximum power 800W, rated speed 3000rpm/min, with T8F 11 tooth sprocket. Display Grip: You can get a twist grip with display in the kit of package, can clearly shown the present vehicle state for you. Application Range: Suitable for DIY kart, scooter, electric bike, ATV, motorbike, mopeds, electric SUVs, tricycles, DIY engine system and more. Item Type: Brushless Motor Kit Material: Aluminum + Copper Overall Weight: Approx. 4750g/10.5lb Application: For Electric Bike, Electric Scooter, Motorbike, Tricycle, DIY Engine System Product Size: Controller Box: Approx. 15.2×8.5×4.4cm/6.0×3.3×1.7in Motor Parameters: Rated Power: 800W Rated Speed: 3000RPM Twist Grip Diameter: Approx. 22.2mm/0.9in Sprocket Parameters: Sprocket: 54 Teeth Inner Diameter: Approx. 5.3cm/2.1in Diameter: Approx. 1 x Twist Grip with Display. Connect all the needed accessories before connecting to the power supply. 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.