Old 04-25-18, 10:01 AM
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Originally Posted by Eggman84 View Post
You really need to be more specific about which Shimano MTB rear derailleur your considering using. For instance the Shimano XT, RD-M771 (SGS long cage) is designed for Min/Max Cogs of 11T/34T, a total capacity of 45T, and a max Chainring Difference of 22T. I have this RD on two different touring bikes, shifting an 11-34T 9 speed cog, and the b-screw is not turned in all the way on wither bike; not saying though that it would work for a 36T large cog. Don't see why you can't try it with a Wolf Tooth Tanpan to get to shift a large rear cog like 36T.
He was specific. There are only two "Deerhead" derailleurs, RD-M700 and RD-M700SP. 1980s stuff. The SP "Superplate" version is pretty rare IME, it has a Duopar- or Mountech-type dual-pivot cage that allows a bit more total gear capacity. Both have a max rear cog of 34. Neither have a B-tension screw, as they predate SIS.
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