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Old 06-24-20, 04:46 PM
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tyrion
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Originally Posted by elijahbc View Post
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Drive train
I'm expecting to get a triple crank, and would prefer a 9-speed cassette. Is it possible to combine a 30-39-50T or 26-36-48T road crank with a mountain bike cassette like a 11-42T? I haven't seen a rear derailleur yet that would support such a drivetrain.
I don't think there's an RD that can properly manage that much chain. You can probably make if work as long as you avoid the extreme cross-chain gear combos. I'd get a 26-36-48T trekking/mountain crank, replace the 26t ring with a 22t, and a 11-36 or 11-34 cassette. That's a proven, wide range set up.
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