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 straigh
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 straigh
