So I am looking to drop my X.7 for possible a Shimano XTR however the part that is confusing me about these rear derailleurs are which one I would need. I am planning on putting my Shimano LX dual control system on once I get this figured out. But I keep seeing GS and SGS and do not really understand what that means. But some readings show that one is a longer cage which can depend on what your tooth count is? Maybe I am over thinking this.
I ride a 2009 Cannondale 29er 2
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Thread: Swapping out my SRAM X.7
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