Spitfire Formula Four 99d Spanky Happy Pro Skateboard Wheels 2026 size 54

evo.com | Spitfire Skateboard Wheels > The Spitfire Formula Four 99d Spanky Happy Pro Skateboard Wheels combine a classic shape with Spitfire's iconic Formula Four urethane for superior performance both on the streets and at the skatepark. Spitfire Duro 99 The Duro 99 by Spitfire has more speed and control on all surfaces, has flat spot resistance, long-lasting anti-stick slide and a higher rebound compound. Classic Shape The #1 shape in skateboarding worldwide - proven for speed and control. 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 99d Spanky Happy Pro Skateboard Wheels 2026 - 54