Spitfire Wheels – Formula Four Lock-In 101D 53mm

Extreme Skates is proud to stock the Spitfire Wheels – Formula Four Lock-In 101D 53mm. Not specific to any terrain so can be skated absolutely anywhere with amazing control and slide. Spitfire Lock In’s wheel are an asymmetrical shape having one conical outer wall and straight cut inner to “lock in” grinds. Available in 99D & 101D.


  • Duro (hardness): 101D (red)
  • Wheel size: 53mm (32mm width & 20mm riding surface)
  • Wheel colour: natural
  • Formula Four 100% Urethane

Extreme Skates recommends having fun but we encourage safety – Always wear protection – Check out our helmets & pads.

For more news and product updates follow us on Facebook.