Spitfire Formula Four Wheels Lock In Full 99DU Natural 57 MM

Spitfire F4 Lock-Ins

Asymmetrically Designed for more control - Flat/tablet on one side, rounded on the other.

YOU WILL BURN FOUR-EVER
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Formula Four Performance Urethane
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*Formulated for a harder-faster ride*
*Unmatched flatspot resistance*
*Smooth anti-stick slide*
*More speed and control*
*100% True performane urethane*
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