Set of 4 Spitfire Skateboard Wheels
New Staple Shape! Formula Four 99du Radial Fulls with a super wide riding surface with round edges for stability and versatility.
High Rebound Compound
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.