EST® Baseplate Construction

Performance & Durability Redefined

Combining a cupsole construction for lasting skateability and a foam-padded collar for comfort and support

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Ultra resilient materials provide superior durability

Spitfire Formula Four Radial 99DU Skateboard Wheels Natural/Blue 54mm Size:54mm EST® Baseplate ConstructionSpitfire Formula Four Radial 99 Duro 54mm wheels. Round edge design for control, speed and a responsive slide. Formulated for a harder faster ride Unmatched flatspot resistance Smooth anti stick slide More speed and control 100% True performance urethane In the 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.