1) It can move the cleats away from hot-spots. Eliminate pain from Metatarsalgia or Mortons Neuroma.
2) It can reduce heel-drop.
3) It reduces strain on your Achilles tendons. Prevent or reduce tendinitis.
4) It can spare triathletes' calves for the run.
5)It reduces the heel movement, enables a lower seat post and a lower drag.