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No longer must you fight through the pain while slowly cultivating callouses on your heels. Dial in an absolutely perfect heel cup fit on your shoes with the Sidi Adjustable Heel Retention system. Fitting just above the plastic heel cup on any current or past model of Sidi's Dragon, Genius, or Ergo shoes, the Heel Retention System may be tightened or loosened with the simple turn of a screw, ensuring a comfortable, performance-enhancing fit. Also retrofits to any shoe model with the non-adjustable Heel Security System.

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Here's what others have to say...

Do these work with the Genius 5 Pro? I see...

Do these work with the Genius 5 Pro? I see your description includes Genius but I'm trying to visualize how this works and not having much luck.


This kit will replace a broken or worn-out heel retention system on SIDI. If your current shoes do not have it already, you cannot retrofit them.

Do these work w/ the Dominator 5?

Do these work w/ the Dominator 5?

These would not be compatible with the Dominator 5's.