Spitfire's Formula Four OG Classic 99a wheels deliver the legendary performance skaters have relied on for decades. The medium profile shape offers responsive handling and predictable edge control, while the proprietary Formula Four urethane compound ensures exceptional grip and speed across varied terrain. The 99a durometer strikes the ideal balance between durability and rebound, making these wheels versatile for street, park, and transition skating. Available in multiple sizes to match your setup.
