HB8GD is a thin 8 inch hub motor is gearless, drum braking. Motor Weight: 3.2kg. The tyre size(hollow non-inflatable tire) is 200mm, dropout size is 110mm. For a controller and motor kit, please refer to this https://www.uumotor.com/8-inch-drum-braking-electric-scooter-conversion-kit.html
The standard version is 36v 350w, max speed 35km/h.
Motor power and speed customizable range:
Power: 200W to 350W
Buying guide: 8 inch disc braking motor, tubless inflatable tire