Old 04-24-18, 11:37 PM
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Bikes: 2014 Bruce Gordon Rock&Road, 1995 Santana Visa Tandem, 1990 Trek 520, 2012 Surly LHT

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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.
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