Spitfire Formula Four Wheels Radial 99DU Natural 54 MM

Spitfire Formula Four Wheels Radial 99DU Natural 54 MM

Spitfire Formula Four Radial 99 Duro 54mm wheels. Round edge design for control, speed and a responsive slide.

Formulated for a harder-faster ride
Unmatched flatspot resistance
Smooth anti-stick slide
More speed and control
100% True performance urethane

In the labs and most importantly in the streets tested by Spitfire Team riders, Formula Four Performance Urethane lasted longer, withstood more abuse and performed superior to all other wheels. Spitfire Formula Four Urethane was developed to combine all the desired properties of a performance wheel without sacrificing any one attribute at the expense of another.