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Your cart is empty.In labs and most importantly in the streets tested by Spitfire Team riders, Formula Four Performance Urethane lasted longer, withstood more abuse and performed superior to 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 True lasting Performance Urethane comes not from a single benefit, but from a combination of qualities and features that together produce a truly great wheel.
Justyn Gifford
Reviewed in the United States on March 26, 2024
I’ve always been on Spitfires, for the last 15 years they have never disappointed me and this set is no different! Can’t beat the “classics”, and their new formula four only improves on perfection. 10/10
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