The Formula Four Classic 54mm skateboard wheels from Spitfire come in a Hellhounds variation. The durable 99a durometer rating provides flat spot-resistance, while Spitfire's proprietary formula four urethane remains light weight. The classic skateboard w
The Formula Four Classic 54mm skateboard wheels from Spitfire come in a Hellhounds variation. The durable 99a durometer rating provides flat spot-resistance, while Spitfire's proprietary formula four urethane remains light weight. The classic skateboard w
