350 Watt HUB Motor (Three Phase Brushless) for Hobby, Scooter, Toy, Balance Board Use Set of 2 wheels with matching rim. HUB motor is 3 phase brushless. Rubber tires have holes drilled through for better tension when riding over small cracks and bumps. Solid copper winding. Multiple hobby application use. Compatible with hoverboards, smart balance boards and other motorized electric scooters using a HUB motor. Comes with a high quality steel alloy 6mm hex tool Ideal for replacing broken or sick motors that skip or don't run properly, broken hall sensors, damaged coil winding, scratched rims, damaged tires, etc