Introducing the new 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.
