Spitfire Formula Four Lock-Ins Full Skateboard Wheels 99d 54mm sandbox So whether you're New School

So whether you're New School

Pre-lubricated with Speed Cream racing lubricant

Made with the perfect amount of stretch

The AF1 is carefully manufactured using our proprietary casting process

Spitfire Formula Four Lock-Ins Full Skateboard Wheels 99d 54mm sandbox So whether you're New SchoolFormula Four Urethane: An unbeatable, lasting performance urethane. Fast, long lasting, abrasion resistance with a smooth anti slip slide and controllable grip. 99 Duro: made for speed and lasting control on all surfaces. Lock Ins Full: A wider version of a lock in shape. Asymmetrical design with conical cut outside for less weight. Straight edge 'lock in' inside for control on all terrains.