Spitfire Formula Four 99D Shadow Play Classic Skateboard Wheels Wheels With the big branding in

With the big branding in the front the kicker is also an optical highlight

Skatepark Formula™ (SPF) is very high quality urethane specifically formulated to resist flatspotting on slick or smooth surfaces while maintaining a higher rebound for a quicker response and a faster roll

Dramatically reduces axial and angular side impact damage and breakage

Krux Pros ride the K4's

Spitfire Formula Four 99D Shadow Play Classic Skateboard Wheels Wheels With the big branding inSpitfire Formula Four Classics 99Duro Skateboard Wheels The #1 Shape in skateboarding worldwide, proven for speed and control. UNMATCHED FLATSPOT RESISTANCE SMOOTH ANTI STICK SLIDE HIGH REBOUND COMPOUND 100% TRUE PERFORMANCE URETHANE