Originally Posted by
davlac89
So each frame has got only one type of hanger compatible? So I could mount any derailleur to it? Do all b-screw fit are standardized to fit on any hanger?
I thought I was pretty clear. Every frame uses a specific hanger (there are about a hendred or so out there), but the derailleur mount end is the same for all of them, and all (modern) derailleurs are designed around the one standard.