Feature:1. High Performance: With a torque of 85N.M, a rated voltage of 48V, a rated power of 750W, and a rated speed of approximately 3540km/h, this electric bike hub motor provides superior riding capability and effortlessly transforms your bicycle into an electric one, making your ride or mountain climb faster and easier.2. IP65 Waterproof Design: The electric bike wheel hub motor with an IP65 waterproof rating. Aluminum alloy construction enhances durability and weight, offering superior load capacity and comfort compared to other motors.3. Easy to Maintain and Modify: The bicycle hub motor is maintenance friendly and can be upgraded by replacing the rear wheel, with a rear wheel base opening size of 170mm. It's perfect for electric bikes, pedal assist bikes, and mountain bikes.4. Enhanced Safety: Compatible with disc brakes for reliable stopping power and enhanced control. 46 magnetic steel poles ensure smooth and efficient operation on various terrains.5. Wide Compatibility: Suitable for 20inch, 26inch wheels. This brushless toothed hub motor delivers impressive speed and power, ensuring a thrilling and enjoyable riding experience.Specification:Item Type: Electric Bike Wheel Hub MotorMaterial: Aluminum AlloyWeight: Approx. 4900g / 172.8ozOpening Size: 170mm / 6.7inWheel Size: 20 or 26 InchInstallation Position: Rear DriveSpeed: 35-40km/hMagnetic Steel Pole Number: 46RPM: 430rpmTorque: 85N.MBrake: Disc Brake.Package List:1 x Electric Bike Wheel Hub Motor1 x Connection Cable