Spitfire Formula Four Lock-Ins 99a Skateboard Wheels White/Blue 55mm Colour:White/Blue Stops the arch from collapsing

Stops the arch from collapsing (overpronation)

Borrowing a little design inspiration from the etnies Fader

They use a hefty closed cell padding that covers the the knee and surrounding areas

- Plastic Core

Hidden Lace Loops

Spitfire Formula Four Lock-Ins 99a Skateboard Wheels White/Blue 55mm Colour:White/Blue Stops the arch from collapsingDescription: Spitfire is the World's #1 urethane for a reason Performance. All Spitfire wheels are hand poured, shaped and specifically engineered in San Francisco CA. USA. Only the most advanced formulas and compounds are used for all wheels. We achieve the highest levels in tolerance and true speed. Often imitated and never duplicated. Spitfire wheels are the standard by which all skateboard wheels are measured. RIDE THE FIRE