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Anyone ever put a MTB crankset on a road bike?

Old 05-14-13, 07:57 PM
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My Trek 700 touring has a 175mm Alivio triple crankset. My Trek 1500 roadie has an old school octalink DuraAce triple. I'm happy with both. A 48 big ring with an 11 or 12 tooth cog is still a pretty tall gear for many riders.
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Old 07-01-13, 06:00 AM
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Originally Posted by rhm View Post
The problem I'd have with this scheme is that most MTB cranksets are 175 mm which I consider crazy long. I've been using much shorter cranks, and it works for me. Of course, this is mostly a matter of what you're used to, and if you're used to riding 175's already, this might not be an issue. If you have any knee problems, though, the 175's are a likely cause of that.
Doubtful, IMO knee problems are more likely due to cleat position, saddle height , BB setback. Being 5'10" with size 13 shoes, a 175 causes no problems even at the lower cadence and the steeper climbing associated with offroad cycling.

A old MTB crank is a great-cheap way to get a triple on a road bike allowing for a corn cob cassette or freewheel.
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Old 06-01-20, 09:15 AM
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Top. Previous set up. 22-32-44x11-32. 18.6-108 gear inch.

Bottom. Current set up. 26-38x11-40. 17.6-93.3 gear inch. Ignore the 44t chainring. It is there as a spacer.
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Old 06-01-20, 09:27 AM
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this is a really old thread
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