Spitfire Formula Four 99D Radial Skateboard Wheels 2026 in Blue size 54

evo.com | Spitfire Skateboard Wheels > The Spitfire Formula Four 99D Radial Skateboard Wheels roll fast and take abuse. Designed with a round edge for control and a responsive slide. Formula Four Urethane Formula Four urethane is unlike any other. Both in the streets and under high-speed stress tests in Spitfire's lab, Formula Four wheels retained more material, coned less and kept their original shapes and sizes longer than any other wheel. Radial Shape Round edges, slim to medium riding surface offers a quick, responsive , round edge shape. | Spitfire Formula Four 99D Radial Skateboard Wheels 2026 - 54 in Blue