Originally Posted by
top506
I have used larger pulleys from low end Shimano RDs (think Tourney) to increase chain wrap a link or two. Let me run a 11-32 cluster with a 53-39 front.
Top
Have a Specialized MTB and am on my 3rd (I think?) rear der....Alivio class. Originally, the bike came with 10/11T pulleys. It now has an M410 with 13T pulleys. Not sure I can notice any difference.
I suspect if the der is aligned, adjusted and well-maintained, they all work pretty well.