Newbie question - I need to replace my front deraier on my 07 f29er and a little confused on which Shimano XTR to get. Looking at the following:
-Shimano XTR FD-M971 Bottom-swing Front Derailleur
-Shimano XTR FD-M970 Top-Swing Front Derailleur
Not to sure what the difference is between the bottom vs. top swing. Just looking for xtr derailer that will work and fit on my 07 f29''er.
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