Blaze your trail at the park or in the streets with the Fireball Conical OG F4 54MM 99D skateboard wheels from Spitfire! These 54MM wheels feature Spitfire's latest Formula Four urethane design, offering extremely buttery slides without a reduction in grip, and an exceptional flat spot resistance, allowing you to rip, slide, and carve without losing that smooth ride. The Conical cut design offers a superior lightweight set of wheels and quick response time so you can pop higher tricks and land them with perfection.