Spitfire Wheels Conical Formula Four 54mm 99a

Spitfire Wheels Formula Four Conical 54mm 99a is a premium all-terrain wheel set made for skaters who want the speed of Formula Four urethane with extra stability and control. The Conical shape provides a wider riding surface than classic shapes, giving you a more planted feel through turns and landings while still delivering smooth, predictable slides. In a versatile 54mm size, these wheels balance technical street control with strong speed retention for skateparks and transition.

Technical specs

• Brand: Spitfire Wheels

• Model / series: Formula Four

• Wheel shape: Conical

• Diameter: 54 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

• Conical shape for added stability, control, and consistent grip

• 54mm diameter for an ideal balance between speed retention and technical response

• 99a durometer for fast, responsive performance on street and park terrain

• Formula Four urethane for unmatched durability and flatspot resistance

• Smooth anti-stick slide for predictable release and reliable braking

Performance & ride feel

These wheels feel stable and confidence-inspiring, with a wider riding surface that gives extra control at speed. The 54mm size keeps them responsive enough for street tricks, while still rolling fast for parks and transition. Slides come out smooth and consistent thanks to Formula Four, making this a strong daily-driver choice if you want reliable all-terrain performance with a more supportive wheel shape.

• Balanced speed and control for everyday skating

• Stable grip through turns and landings

• Smooth predictable slides without sudden hook-ups

• Durable urethane built for repeated impact and rough spots

• Great for street, parks, and transition

How does it feel underfoot? Stable, fast, and controlled with smooth, predictable slides.
Is it best for street, park, transition, or all-terrain? All-terrain — ideal for skaters who want extra stability for street and park.

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