Spitfire Formula Four Classic Skateboard Wheels 99d 52mm union Disk Cover: Thermoformed EVA -

Disk Cover: Thermoformed EVA - Extra cushioning

straight cut] with articulated knees

Sleeveless

eliminating the need to switch between soft and hard wheels when skating your favorite spots

Sidecut: Directional Tri-Radial

Spitfire Formula Four Classic Skateboard Wheels 99d 52mm union Disk Cover: Thermoformed EVA -Formula 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. Classic: Medium width riding surface with round sidewalls. Designed for control in all situations.