DescriptionFormula 4 Chroma Classic Blue 99A - 56mm
-Size: 56mm
-Contact surface: 17.8mm
-Width: 35.3mm
-Durometer: 99A
-Spitfire Formula Four Urethane
-High wear resistance and resistance to flat spots
-Anti-slip for consistent, fast and smooth sliding
-Classic shape
-Medium-width driving surface with round sidewalls
-Timeless shape proven for speed and control