Spitfire Wheels Conical Full Formula Four 58mm 99a

Spitfire Wheels Formula Four Conical Full 58mm 99a is a high-speed all-terrain wheel set made for skaters who want maximum stability, roll speed, and long-lasting performance. The Conical Full shape gives you a wide riding surface and supportive sidewalls, creating a planted, confidence-inspiring feel through powerful turns and fast landings. Built with Spitfire’s Formula Four urethane, these wheels deliver high abrasion resistance, unmatched flatspot resistance, smooth anti-stick slides, and a high rebound ride that stays consistent through heavy sessions. With a larger 58mm diameter, they’re ideal for transition, bowls, and fast street skating where speed retention matters.

Technical specs

• Brand: Spitfire Wheels

• Model / series: Formula Four

• Wheel shape: Conical Full

• Diameter: 58 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 and confident control at speed

• 58mm diameter for stronger roll speed and easier crack handling

• 99a hardness for fast, responsive performance across street and parks

• Formula Four urethane for premium durability and unmatched flatspot resistance

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

Performance & ride feel

These wheels feel fast, powerful, and extremely planted — perfect for skaters who want big-wheel speed without switching to a soft cruiser setup. The 58mm size keeps momentum through long lines and transition runs, while the wide Conical Full shape adds stability that you can feel immediately in carves and landings. Slides come out smooth and consistent, and Formula Four keeps performance reliable even after heavy sessions.

• Maximum speed retention with smooth roll

• Wide stable platform for transition and powerful carving

• Predictable grip with smooth slide release

• Durable urethane made for heavy all-terrain skating

• Great for bowls, parks, fast street spots, and rough ground

How does it feel underfoot? Very fast, stable, and planted with smooth, controlled slides.
Is it best for street, park, transition, or all-terrain? All-terrain — especially ideal for transition, bowls, and high-speed park skating.