OG CLASSIC: Spitfire's Original Cut-Away Shape. Features a wider riding surface shape, lightened with cutaway side walls.
Wheel Specs:
Size: 55mm
Hardness: 99d
Width: 33mm
Riding Surface: 22.6mm
99a Durometer – More speed and control on all surfaces. Unmatched flatspot resistance. Smooth, anti-stick ride. High-rebound compound.
Formula Four Urethane – Formula Four urethane is unlike any other. Unbeatable lasting performance Spitfire urethane. Fast as hell. Long lasting, abrasion resistance, smooth anti-slick slide with a controllable grip, guaranteed*.
Both in the streets and under high-speed stress tests in Spitfire's lab, Formula Four wheels retained more material, coned less and kept their original shapes and sizes longer than any other wheel.
High Rebound Compound
SIZE | WIDTH | RIDING SURFACE |
51MM | 31.1MM | 21.2MM |
52MM | 31.1MM | 21.4MM |
53MM | 31.7MM | 21.8MM |
54MM | 32.3MM | 22.2MM |
55MM | 33MM | 22.6MM |
56MM | 33.6MM | 23.1MM |
58MM | 34.8MM | 23.9MM |
60MM | 36MM | 24.7MM |
*All wheels are sold and packaged as a set of 4.