Spitfire Wheels Formula Four F4 99D Louie Burn Squad Classics 52mm

Spitfire Wheels F4 Classic

Size: 52mm

Hardness: 99d

Classic Shape  The #1 shape in skateboarding worldwide - proven for speed and control.

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. 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

50MM 30MM 14.5MM
51MM 31MM 15MM
52MM 32MM 15.5MM
53MM 33MM 16MM
54MM 33.5MM 16.5MM
55MM 35MM 17.5MM
56MM 35.3MM 17.8MM
58MM 35.8MM 18MM
60MM 33.9MM 21.5MM


*All wheels are sold and packaged as a set of 4.


*All wheels are sold and packaged as a set of 4.