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Old 01-12-22, 12:07 PM
(rhymes with spook)
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Join Date: Aug 2009
Location: Winslow, AR
Posts: 2,784

Bikes: '83 univega gran turismo x2, '85 schwinn super le tour,'89 miyata triple cross, '91 GT tequesta, '90 yokota grizzly peak, '94 GT backwoods, '95'ish scott tampico, '98 bonty privateer, '93 mongoose crossway 625, '98 parkpre ariel, 2k'ish giant fcr3

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Originally Posted by Road Fan View Post
Its all a matter of whether the largest rear sprocket can be handled by the rear derailleur, and the total change in the number of links that must be wrapped by the derailleur cage are within its design capability. The rear derailleur only cares about those two parameters, not how many rings are on the chainset. The sizes of the rings, yes, but the number of the rings no. Master how all of that works and you, too, will be a master gear finagler! I'm pretty sure Sheldon Brown covers all of that, it's not so obscure or hard to find.
Oh, I know about all that. The max cog for those short cage XT's is 28 and the total capacity is 30. Either of the bikes' capacity is at least 39t, though
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