Spitfire Wheels Formula Four F4 Classic 99D 52mm 25SLAM70 Durometer: 99D

Durometer: 99D

CX Foam sockliner for impact cushioning and comfort

Billed as the most innovative CONS skate model to date

• Refined suspension for a cleaner turn

Vulcanized waffle outsole

Spitfire Wheels Formula Four F4 Classic 99D 52mm 25SLAM70 Durometer: 99DSpitfire Wheels F4 Classic Classic Shape The #1 shape in skateboarding worldwide proven for speed and control. 99 Durometer More speed and control on all surfaces. Unmatched flatspot resistance. Smooth, anti stick ride. High rebound compound. Formula Four Urethane Formula Four urethane is unlike any other. Both in the streets and under high speed stress tests in Spitfire's lab, Formula Four wheels retained more material, coned less and kept their