The Spitfire Formula Four 99 Duro Classic 51mm are exactly what one needs as a demanding street skater. The used Formula Four Urethane makes the wheels last longer and prevents them from getting those annoying flat spots.
A true legend among skateboard wheels, and with good reason. Spitfire wheels are insanely durable, keeping their shape and size no matter how hard you throw down. With these bad boys strapped to your board, you will be landing every trick in the book in no time!