Spitfire Formula Four Radioactive Bighead 99a Wheels Natural 54mm 54mm

size: 54 mm contact patch: 17;5 mm width: 34;5 mm durometer: 99A formula: Spitfire’s Formula Four Urethane Formula high abrasion resistance and flatspot resistance; anti-stick slide for constant; fast and smooth slides shape: medium width contact patch and rounded edges details: graphic print on the front terrain: all terrains Bighead shape