Introducing Spitfire's new Pro Formula Four - 93 Duro - Soft Sliders.

• The most controllable and consistent sliding soft wheel out
• Soft Duro combined w/ High Rebound compound absorbs more impact & vibrations - easier on your body for longer sessions
• Holds speed through even the roughest terrain
• Reliable grip when you need it
• Unmatched Formula Four flatspot resistance
• 54mm Wheel
• Set of 4.
  
• 93a Durometer
• Classic Shape