Spitfire Formula Four 99d OG Classics Colors Skateboard Wheels

Designed by and ridden by professional skaters across the globe, the Spitfire Formula Four 99d OG Classics Colors Skateboard Wheels hold up to a huge array of riding styles. They feature a smooth surface with Spitfire’s iconic Formula Four urethane making ’em simultaneously smooth, fast, and reliably resistant to flat spots.

Classic Shape
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The #1 shape in skateboarding worldwide – proven for speed and control.

Formula Four Urethane
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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.

99a Durometer
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More speed and control on all surfaces. Unmatched flatspot resistance. Smooth, anti-stick ride. High-rebound compound.

Specs

• Wheel Style:
  Park/Street

• Durometer:
  99a