Originally Posted by rmfnla

Like the previous post said, if you're already set up for a triple it should be OK. If you are changing cranksets the BB has to match (ISIS, Octalink, square taper). If you are just swapping out rings no worries.

You might have to move the FD up a smidge to clear the larger ring; don't forget to re-adjust it (there was a previous thread about someone who moved his w/o doing anything w/ the cable and wondered why it did not shift properly!).