Spitfire Formula Four Radial 99DU Skateboard Wheels Natural/Blue 56mm COLOUR_Pink Best selling high end skate

Best selling high end skate bearing in the U

Medium Concave / Medium Kick

- 60mm Diamteter Wheel

Prevents acute injury such as torn ACL

Spitfire Formula Four Radial 99DU Skateboard Wheels Natural/Blue 56mm COLOUR_Pink Best selling high end skateSpitfire Formula Four Radial 99 Duro 56mm wheels. Round edge design for control, speed and a responsive slide. Formulated for a harder faster ride Unmatched flatspot resistance Smooth anti stick slide More speed and control 100% True performance urethane In the labs and most importantly in the streets tested by Spitfire Team riders, Formula Four Performance Urethane lasted longer, withstood more abuse and performed superior to all other wheels.