Spitfire Formula 4 - Gonz Shmoo Skateboard Wheels - Classic - 99 Duro

Mark Gonzales brings his unmistakable art and personality to Spitfire’s Formula Four line with the Gonz Shmoo series. Built on the Classic shape for a familiar, all-terrain ride, they use Spitfire’s 99a Formula Four urethane for fast, smooth performance with controlled slides. The 52 mm wheels feature Gonz’s yellow Shmoo graphic, while the 56 mm run his blue version—two sizes of the same creative chaos from one of skateboarding’s most original minds.

Key Features

• Classic Shape: Medium-width riding surface with round sidewalls for control in any setting
• Formula Four Urethane (99A): Spitfire’s proven compound for lasting speed and consistent slide response
• Size Options – 52 mm (Yellow) / 56 mm (Blue): Two sizes with distinct Gonz colourways
• Gonz Shmoo Graphic: Artwork by Mark Gonzales in his signature hand-drawn style
• Versatile Ride: Balanced for street, park and transition setups
  

About Spitfire Wheels

Founded in San Francisco in 1987 by Jim Thiebaud and Fausto Vitello, Spitfire grew out of the streets that shaped modern skateboarding. The brand has always stood for independence and creativity, backing generations of skaters who define the scene through their own style and commitment. Recognised worldwide by the flame logo, Spitfire remains one of skateboarding’s most enduring symbols of identity and culture.