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58mm 99a Spitfire Wheels Formula Four Conical Full GLOW

Regular price $62.95

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Spitfire Formula Four Conical Full GLOW Wheels

NOTE: Sold only as a set of four (4) wheels.

Diameter 58mm
Hardness 99a
Width 37mm
Riding Surface 27.3mm
Core No
Formula Formula Four - GLOW

The Spitfire Formula Four Conical 99a skateboard wheels have a larger contact patch. Spitfire released their new Formula Four wheels a few years ago now. The latest formula was designed for higher abrasion resistance. This means it is a little harder to flat spot. Formula Four 101a wheels are generally decorated with a red themed graphic. Unless of course it is one of the signature wheels. The signature wheels feature artwork custom designed for each rider. 99a is considered a softer wheel in the modern skateboarding scene. They are still very hard. The 99a formula will provide a little more grip on super smooth surfaces and is a little more forgiving to ride on rougher surfaces. There are no hard and fast rules, best to try out different wheels and select what works best for you.