Spitfire's Formula Four Classic wheels deliver the performance that built the brand's legendary reputation. These 54mm wheels feature a 93D durometer that strikes the perfect balance between speed and grip, making them ideal for street skating and technical tricks. The classic shape provides responsive turning and reliable control on any terrain. Whether you're cruising, committing to flip tricks, or pushing through rough pavement, Formula Four Classics remain the trusted choice of skaters worldwide. Durable construction ensures these wheels withstand the demands of daily skating.