Spitfire Wheels Classic Formula Four 56mm 99a

Spitfire Wheels Classic Formula Four 56mm 99a is a high-performance wheel set made for skaters who want more speed, smoother roll, and added stability across all terrains. The 56mm diameter helps you maintain momentum through longer lines and handle rougher ground more easily, while the Classic shape delivers a familiar, balanced ride feel that works for both street and skateparks. Built with Spitfire’s Formula Four urethane, these wheels offer high abrasion resistance, unmatched flatspot resistance, smooth anti-stick slides, and a high rebound ride that stays consistent through heavy sessions.

Technical specs

• Brand: Spitfire Wheels

• Model / series: Formula Four

• Wheel shape: Classic

• Diameter: 56 mm

• Durometer (hardness): 99a

• Urethane features: high abrasion resistance, unmatched flatspot resistance, smooth anti-stick slide, high rebound compound

• Use: all terrains

• Pack size: 4 wheels

Key benefits

• 56mm diameter for stronger speed retention and smoother roll over cracks

• 99a hardness for fast, responsive performance in street, park, and transition

• Classic shape for predictable grip and a balanced, familiar ride feel

• Formula Four urethane for premium durability and unmatched flatspot resistance

• Smooth anti-stick slide for controlled slides and reliable braking

Performance & ride feel

These wheels feel fast and stable, built for skaters who want to keep speed through longer sessions and skate multiple terrains without switching setups. The 56mm size gives extra momentum and smoother handling on rough spots, while Formula Four keeps slides predictable and performance consistent over time. A great choice for skaters who want a larger everyday wheel that still feels responsive enough for street tricks and park skating.

• High roll speed with excellent momentum retention

• Smooth handling on rough ground and cracks

• Predictable grip with smooth slide release

• Durable urethane made for heavy all-terrain sessions

• Great for street, parks, and transition skating

How does it feel underfoot? Fast, stable, and smooth with predictable slides.
Is it best for street, park, transition, or all-terrain? All-terrain — especially good if you want extra speed for parks and transition while still skating street.