SPITFIRE F4 CLASSIC SWIRL 97D WHEELS BLUE - 56MM

97 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.