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