Formula 4 99a
Spitfire Wheels Formula Four 99a are available in popular sizes including 52mm, 54mm, and 56mm, in shapes such as Classic, Classic Full, Conical, Conical Full, Radial, Radial Full, O.G. Classics, Tablets and Lock-Ins. Formula Four 99a is the most popular wheel formula offering balanced mix of speed, grip, control, and consistent slides.
