Spitfire Formula Four Classic 99a Skateboard Wheels Size in millimeters:53mm Design Architecture: The traditional lace-up

Design Architecture: The traditional lace-up silhouette that serves as the foundation for Emerica's modern vulcanized footwear lineup

Measuring 45

high strength fiberglass

Developed and tested at Skate One

Spitfire Formula Four Classic 99a Skateboard Wheels Size in millimeters:53mm Design Architecture: The traditional lace-up99a Durometer The #1 Shape in skateboarding worldwide proven for speed and control. Unmatched abrasion resistance for fewer flat spots. More controllable grip. Lasting speed no matter the terrain. Smooth anti slick slide and a longer lasting size and shape. Color corresponds to size Set of four Shop the full collection of skateboard wheels