Spitfire Wheels Conical Full Formula Four 56mm 99a

Spitfire Wheels Formula Four Conical Full 56mm 99a is a premium all-terrain wheel set built for skaters who want maximum speed, stability, and control across every type of spot. The wide Conical Full shape provides a large contact patch for a planted feel through turns and landings, while Spitfire’s Formula Four urethane delivers high abrasion resistance, unmatched flatspot resistance, smooth anti-stick slides, and a high rebound ride that stays consistent session after session. With a 56mm diameter, these wheels roll faster, handle rough ground better, and keep momentum longer — ideal for parks, transition, and fast street sessions.

Technical specs

• Brand: Spitfire Wheels

• Model / series: Formula Four

• Wheel shape: Conical Full

• 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

• Conical Full wide shape for maximum stability, grip, and control at speed

• 56mm diameter for strong speed retention and smoother rolling over cracks

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

• Formula Four urethane for elite durability and flatspot resistance

• Smooth anti-stick slide for predictable control and clean braking

Performance & ride feel

These wheels feel fast, planted, and extremely confidence-inspiring — built for skaters who like to carry speed through longer lines and ride with a stable platform underfoot. The wide Conical Full profile grips well through carves and holds steady on landings, while Formula Four keeps slides smooth and controlled without unexpected hooking. The 56mm diameter adds momentum and smoother rough-ground handling without feeling overly bulky, making them a top choice for all-terrain setups.

• High speed with excellent momentum retention

• Wide stable ride feel for transitions and powerful carving

• Smooth predictable slides with reliable release

• Durable urethane made for heavy sessions on rough spots

• Great for street, parks, and transition/bowls

How does it feel underfoot? Fast, stable, and planted with smooth, controlled slides.
Is it best for street, park, transition, or all-terrain? All-terrain — especially strong for skaters who want speed and stability for park and transition.