Spitfire Formula Four Conical Full Skateboard Wheels 101d 54mm size-100-00 The lightweight construction makes them

The lightweight construction makes them ideal for layering under boots without adding bulk

Flex: Directional 5

and has a 14

A one hand cinch gauntlet closure ensures a snug

Spitfire Formula Four Conical Full Skateboard Wheels 101d 54mm size-100-00 The lightweight construction makes themFormula Four Urethane: An unbeatable, lasting performance urethane. Fast, long lasting, abrasion resistance with a smooth anti slip slide and controllable grip. 101Duro: For a harder, faster ride. Proven Formula Four performance made in Spitfire's hardest duro for extra speed. Conical full: a wider version of the conical shape. Wide riding surface, cut in sidewalls to decrease weight. A solid, controllable shape for all terrains.