Classic Shape: The #1 wheel shape in skateboarding. Medium width riding surface with round sidewalls. Designed for control in all situations. Formula Four 99 Duro Urethane: Made for speed and lasting control on all surfaces.

Features:

• Spitfire pro model skateboard wheels
• 56mm sizing and 99 durometer
• Zion Wright Pro Model
• Smooth anti-stick slide.
• High rebound compound.
• Set of four wheels.
• 100% premium urethane.