Una Farrar pro model Spitfire wheels. Formula 4, along with 97A Duro, feature quick speed, anti-stick glide, & control on all surfaces. 100% true performance uerothane. The Radial Full offers a wider riding surface to keep you in control - balanced, versatile & stable.

Dimensions: 54mm x 34mm with a 22mm riding surface & Formula Four 97A durometer.