Spitfire - F4 Lock Ins Wheel 99d

Spitfire Formula Four Lock-Ins Skateboard Wheels feature a Lock-Ins Cut shape designed to lock in on your grinds. Features include a smooth riding surface, Formula Four Urethane construction, medium profile, and 101d durometer. Asymmetrically cut, you can get the benefits of conical outer walls while the inside wall is cut straight, giving you a flat surface to lock in your grinds.