PU wheel,scooter wheel Super high rebound good at grip 100*24mm PU wheel with alloy core 1-alloy T6, High strength and hardness, compound hub.2-Hi rebound Urethane PU wheel; 3-Dimension: 100mm; 4-Hardness: 85A,88A;90A 5-Logo: can be printed as per customer's request This high quality metal core wheel fits almost all scooters. Such as Razor, Madd gear, JD Bug and customs scooters ;