Formula Four UrethaneFormula 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 w
Formula Four UrethaneFormula 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.
Conical ShapeWider riding surface on the wheels but cut like a cone for less weight.
Smooth SurfaceSmooth wheels come with a shiny coating on the riding surface that feels grippy at first, but wears away quickly.
Medium ProfileYour classic wheel shape, versatile all-around wheel for street/park skating.
Lock Ins CutAsymmetrically cut, you can get the benefits of conical outer walls while the inside wall is cut straight, giving you a flat surface to lock in your grinds
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