Spitfire Formula Four Wheels - 55mm / 99 Duro NEW Condition: Brand New (In Original Packaging) The gold standard of skateboarding performance. These brand new Spitfire Formula Four wheels feature the legendary 99 Duro compound, offering unmatched flat-spot resistance, high-speed control, and a smooth, reliable slide without sacrificing grip. The versatile 55mm size provides great speed and momentum for both street and park skating. Condition note: Brand new, unused, and unopened in the original manufacturer packaging. Important Details: * **Brand:** Spitfire Wheels * **Model:** Formula Four (F4) * **Size:** 55mm * **Durometer:** 99 Duro (99a) * **Condition:** Brand New / Factory Fresh * **Quantity:** Set of 4 wheels Sale Terms: Sold as-is. No returns accepted, but feel free to message if you have any questions! 📦 Fast shipping! Check out my shop for more skate hardware, decks, and streetwear essentials. #SpitfireWheels #FormulaFour #SkateboardWheels #SkateGear #StreetSkating