Spitfire Wheels Classic Formula Four 51mm 99a

Spitfire Wheels Classic Formula Four 51mm 99a is a high-performance wheel set made for skaters who want a low, technical setup with maximum control for street skating and skateparks. The smaller 51mm diameter keeps your board light and responsive for flip tricks and ledge work, while Spitfire’s Formula Four urethane delivers high abrasion resistance, unmatched flatspot resistance, smooth anti-stick slides, and a high rebound feel that stays consistent through heavy sessions. With the Classic shape, you get a familiar ride feel that works across all terrains.

Technical specs

• Brand: Spitfire Wheels

• Model / series: Formula Four

• Wheel shape: Classic

• Diameter: 51 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

• 51mm diameter for maximum technical control with a low ride height

• 99a hardness for fast roll and responsive performance in street and park skating

• Classic shape for predictable grip and a balanced ride feel

• Formula Four urethane for premium durability and strong flatspot resistance

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

Performance & ride feel

These wheels feel quick, light, and extremely responsive — perfect for technical skating where board control matters most. The small 51mm size keeps the setup low and stable for flip tricks, while Formula Four maintains strong speed for a smaller wheel and delivers smooth, consistent slides without sudden sticking. A great daily-driver choice if you prefer compact wheels for street and skatepark sessions.

• Fast acceleration with a light, technical feel

• Low ride height for maximum control

• Predictable grip with smooth slide release

• Durable urethane built for heavy sessions

• Ideal for street, parks, and small-to-medium transition

How does it feel underfoot? Low, fast, and precise with smooth, predictable slides.
Is it best for street, park, transition, or all-terrain? All-terrain — especially street and park if you want a smaller technical wheel.