Compare Spitfire x Grimple Stix Formula Four 55mm 99a Black Lock In Full Skateboard Wheels

A collaborative effort from Spitfire and Grimple Stix results in the Formula Four skateboard wheels arriving in a solid black color, featuring a revolutionary wheel shape offering the best of both worlds with a conical shape on one side and a straight edge on the other. Lending a unique look with co-branded sidewall graphics, the black wheels are ready for anything with unmatched flatspot resistance.