Spitfire - Formula Four Conical Full 101a Skate Wheels
The Spitfire Formula Four 101a Duro (park). Spitfire Fire got their team members to test the Formula Four wheels and the results show that the Formula fours withstood more abuse and performed superior to all other wheels. The Spitfire Formula Four Urethane was made to withstand flat spotting and withstand heaving skate sessions without wearing down. The Formula fours are truly like no other wheel we have seen before. Specs: Formulated for a harder, faster ride Unmatched flatspot resistance Smooth anti-stick slide More speed and control 100% true performance urethane Holds shape longer Available 52mm, 53mm, 54mm, 56mm, 58mm