Originally Posted by
ericcc65
The website I'm looking at buying this from says that the RD-M771 only handles a maximum size for front chainrings of 44T. Is that really true? I've read I should be able to use this on a road bike, which typically has at least a 50T front chainring. Is that spec overly zealous?
I've got a hunch the site accidentally copied & pasted from front derailleur specs. The size of your chainrings doesn't matter at all to your rear derailleur. The difference between chainring sizes matters when calculating wrap capacity, but the particular size of each ring doesn't matter.