Spitfire Formula Four (F4) urethane has 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. That’s why Spitfire Formula Four skateboard wheels are the most popular wheels on the market.
Classic shape – Spitfire’s original shape. The number 1 wheel shape in skateboarding. Medium width riding surface with round sidewalls. Designed for control in all situations.