Spitfire Formula Four Skateboard Wheels - O.G Classics - 99 Duro

2. Spitfire Formula Four OG Classics 99a

Honoring the roots of skateboarding, the OG Classics 99a wheels offer a slightly wider riding surface with cut-away sidewalls to reduce weight while keeping control. Formula Four urethane provides smooth speed and flatspot resistance, making these wheels perfect for technical street skating or flowing through park lines with precision.

Key Features:

• Formula Four Urethane: Smooth, fast, flatspot-resistant.

• OG Classic Shape: Wider surface with cut-away sidewalls for lighter, controlled rides.

• Durable Performance: Maintains shape and roll during heavy sessions.

• All-Around Skateboarding: Great for street, park, and gap tricks.

Specifications:

• Durometer: 99a

• Shape: OG Classic

• Formula: Formula Four (F4)

Ride the legacy. Ride Spitfire.

About Spitfire Wheels

Founded in 1987 by pro skater Jim Thiebaud and entrepreneur Fausto Vitello in San Francisco, Spitfire quickly became a cornerstone of skateboarding. Known for durable, high-performance wheels and their iconic flaming skull “Bighead” logo, Spitfire helped define street and park skating in the late ‘80s and ‘90s.

Innovation has always been at the core of Spitfire. From early urethane formulas that resisted flatspotting to today’s Formula Four line—renowned for speed, smoothness, and longevity—the brand keeps pushing what skateboard wheels can do.

Part of Deluxe Distribution, Spitfire continues to roll with legendary pros and rising talent alike, creating wheels, graphics, and products that capture skateboarding’s raw, creative spirit. When you ride Spitfire, you’re rolling with heritage, performance, and that unmistakable fire under your board.