Spitfire Formula Four 97a Classics Skateboard Wheels 2026 size 56

evo.com | Spitfire Skateboard Wheels > Burn through the streets on the Spitfire Formula Four 97a Classics Skateboard Wheels. Formula Four Urethane lasts longer and withstands more abuse for wall to wall skating. Classic Shape The #1 shape in skateboarding worldwide - proven for speed and control. 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 original shapes and sizes longer than any other wheel. | Spitfire Formula Four 97a Classics Skateboard Wheels 2026 - 56