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Spitfire

Spitfire Wheels Formula Four F4 OG Classic 99D 54mm

OG CLASSIC: Spitfire's Original Cut-Away Shape. Features a wider riding surface shape, lightened with cutaway side walls.

Wheel Specs:
Size: 54mm
Hardness: 99d
Width: 32.3mm
Riding Surface: 22.2mm

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.