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Una Farrar’s Trinity graphic is paired with black urethane, a 54mm diameter and 97D Formula Four construction. This is the Conical Full version of the Una pro wheel.
Spitfire Formula Four urethane is designed for abrasion and flatspot resistance, with a controlled slide and lasting shape. The Conical Full profile has a wider riding surface and cut-in sidewalls, combining support with reduced sidewall bulk.
Sold as one complete set of four wheels. Bearings are sold separately. Check the selected diameter and hardness when comparing this model with other Formula Four shapes.
- Brand: Spitfire
- Formula: Formula Four
- Shape: Conical Full
- Durometer: 97D
- Package: four wheels