Hello ,Dartless fits on the 2003-2010 skies, the new 2011 skies have the same stud spacing as 2003-2010 skies, have not done testing on the new 2012 ski yet. There are some who have installed them on 2011 skies ,and said they work, the 2011 ski has a shallower keel on them, not as much bite as...