Spitfire Formula Four 52mm 99A Radial Wheels
Set of Four Wheels
Spitfire Formula Four Classic Wheels are the newest wheel by Spitfire. 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. Formula Four's true lasting Performance Urethane comes not from a single benefit, but from a combination of qualities and features that together produce a truly great wheel Formula Four Performance Urethane is unlike any other.
Formulated for a harder, faster ride
Smooth anti-stick slide
More speed and control
100% true performance urethane
Holds shape longer
Formula Four Urethane is made using a 100% pure urethane compound. Formula Four's exclusive combination of High Rebound and Hard Duro produces a faster wheel everywhere. Higher rebound for faster speeds over rough and smooth surfaces. Hard Duro for a harder, faster ride that won't mush out over time. Formula Four's exclusive anti-stick slide gives a fast/consistent, smooth slide all the way through. Slide with confidence start to finish knowing your wheels won't skip or catch mid-slide.
Riding Surface: 19mm
Shape: Radial (Round edge design for control, speed, and a responsive slide)
*stock photo may show different size*