Spitfire – Wheels FORMULA FOUR ”CLASSIC 99DU” – 54MM
Spitfire Formula Four Classic 99a Wheels are the newest wheels from Spitfire. Tested by Spitfire Team riders, Formula Four Performance Urethane lasted longer, withstood more abuse, and performed better than all other wheels. Spitfire Formula Four Urethane was developed to combine all the desired properties of a performance wheel without sacrificing any one attribute at the expense of another. Formula Four’s truly lasting performance urethane stems not from a single benefit, but from a combination of qualities and features that together produce a truly great wheel—Formula Four Performance Urethane is unlike any other.
Specifications:
- Formulated for a harder, faster ride
- Unmatched flat spot resistance
- Smooth anti-stick slide
- More speed and control
- 100% true performance urethane
- Holds shape longer
Formula Four Wheels retained more material, coned less, and maintained their original shapes and sizes longer than any other wheel. Formula Four Urethane is made using a 100% pure urethane compound. On hills, in the streets and parks, and during forced flat-spot testing in our lab, Formula Four wheels outperformed all others, resisting flat spots longer with less wear. Formula Four’s exclusive combination of High Rebound and Hard Duro produces a faster wheel everywhere. Higher rebound for faster speeds on both rough and smooth surfaces. Hard Duro for a harder, faster ride that won’t lose its shape over time. Formula Four’s exclusive anti-stick slide provides a fast, consistent, and smooth slide from start to finish. Slide with confidence, knowing your wheels won’t skip or catch mid-slide.
Formula Four gives you the highest level of control and consistent grip you can count on.
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