Spitfire Formula Four Bighead Radioactive 99a 54mm Skateboard Wheels Size:54 and higher sidewall heights provide

and higher sidewall heights provide a more heritage look with increased durability and protection

Profile: FlatRock

but not the weight

The next evolution in composite snowshoe technology has arrived

Spitfire Formula Four Bighead Radioactive 99a 54mm Skateboard Wheels Size:54 and higher sidewall heights provideBust out the blacklight and blow some minds at the skatepark with the Spitfire Formula Four 99d Bighead Radioactive Skateboard Wheels. Spitfire's iconic Formula Four urethane is simultaneously smooth, fast, and tough, paired with the slightly wider Bighead profile a sick Radioactive colorway. Bighead Shape Formula Four Urethane Formula Four urethane is unlike any other. Both in the streets and under high speed stress tests in Spitfire's lab, Formula