99 or 101 Durometer.
Formula Four.
Unbeatable lasting performance urethane.
More speed and control on all surfaces.
Unmatched flatspot resistance.
Smooth anti-stick slide.
High rebound compound.
100% true performance urethane.
Burn four-ever.
The #1 shape in skateboarding worldwide. Proven for speed and control.
SPITFIRE F4 CLASSIC SWIRL 99D WHEELS GOLD - 50MM
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