Spitfire Formula 4 54mm Conical Full 99D Kyle Wilson

Diameter: 54mm

Durometer: 99D

Width: 34mm

Riding Surface: 22mm

Shape: Conical Full

Formula Four Specs - Formulated for a harder, faster ride - Flatspot resistance - Smooth anti-stick slide - More speed and control - 100% true performance urethane - Holds shape longer