Spitfire Wheels Formula Four Lock Ins Skateboard Wheels 99a 55mm

Spitfire F4 Lock-Ins natural 55mm 99DU skateboard wheels. Asymmetrically Designed for more control - Flat/tablet on one side, rounded on the other. Formula Four Performance Urethane. Diameter: 54mm. Width: 32.5mm. Riding surface: 21.5mm. Set of four.