Standard 7-PLY Construction

High-Density Impact Foam

High Density Shell

Tricot Backer

guaranteeing longevity and performance

Spitfire OG Classics Formula Four 99d Skateboard Wheels - 55mm Size:55mm Standard 7-PLY ConstructionThe Spitfire OG Classic Shape was so popular they have decided to now release it with their unmatched Formula Four urethane! These wheels feature a conical cut, helping you lock in amazingly, a wider riding surface to keep you gripping and not slipping and are flat spot resistant to keep you sound of mind and know you will be rolling smoothly for a very long time! Spitfire Classic Swirl Graphic Conical Cut 55mm 99d Wide RIding Surface Flatspot