Spitfire Wheel OG Classic Formula Four 56mm 99a

Spitfire Formula Four O.G. Classics 56mm 99a – Increased Stability and Fast All-Terrain Control

• Brand: Spitfire Wheels

• Wheel Formula: Formula Four

• Wheel shape: O.G. Classics

• Diameter: 56 mm

• Width: 33.6 mm

• Riding surface: 23.1 mm

• Durometer (hardness): 99a

• Use: all terrains

The Spitfire Formula Four O.G. Classics 56mm 99a is built for skaters who want stability, speed, and consistent control across all terrains. Featuring Spitfire’s proven Formula Four urethane, it delivers fast roll speed, smooth slide performance, and long-lasting durability with strong resistance to flatspots.

The O.G. Classics shape is Spitfire’s original cut-away design, featuring a wider riding surface with round edges and reduced weight from cut-away sidewalls. It offers a stable, fast, and controlled ride across all terrains.

The 56mm size provides increased speed and momentum, making it ideal for park skating, rougher terrain, and skaters who prefer a faster, more stable ride.

99a durometer wheels are built for speed and lasting control across all surfaces. They offer a balanced mix of grip and slide, making them one of the most versatile and widely used durometers for both street and park skating.

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