The all new Spitfire Formula Four 97D wheels are specifically formulated for a smoother ride with more grip. Designed with your favorite classic Spitfire Classic wheel designs and manufactured with the quality high performance, Formula Four urethane. Formula Four Urethane lasts longer, withstands more abuse and performs superior to all other wheels..
- More speed on all surfaces
- More traction and controll
- High rebound compound
- 100% true performance urethane
- Holds shape longer