Spitfire Formula 4 features more speed and control on all surfaces, unmatched flatspot resistance, smooth anti-stick slide, high rebound compound. 100% true performance urethane.

97A Duro formulated for a softer, faster ride. Designed for every spot. Grips or slides when you need it.

The Conical Full is a wider version of the Conical Shape. Wide riding surface, cut in sidewalls to decrease weight. A solid, controllable shape for all terrains.

54mm x 34mm with a 22mm riding surface and Formula Four 97A durometer.