Spitfire Wheels Formula Four Classics Wheels
– Formula Four (F4) anti flatspot urethane mixture
– Round cut edges
– Popular for technical street skating
– Heigh: 56mm
– Contact patch: 17.8mm (narrowest riding surface of all spitfire wheels)
– Width: 35.3mm
– Hardness: 99A (DU)
– Set of 4 wheels
– Made in the U.S.A. (San Francisco)
