Spitfire Wheels – Formula Four Lock-In 99D 53mm

Extreme Skates is proud to stock the Spitfire Wheels – Formula Four Lock-In 99D 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.

Lock In’s 99D Features

Duro (hardness): 99D (blue)
Wheel size: 53mm (32mm width & 21mm riding surface)
Wheel colour: cream white
Formula Four 100% Urethane

Check out our bearing products to increase your speed!


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

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