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04-24-11, 10:11 AM

#6

Barrettscv

Have bike, will travel

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Quote:

Originally Posted by mattdd60

I will be self-supported touring down the Oregon Coast this summer. I would like to reduce my gear inches to 21, and am looking for advice on the most economical way to reach this low end gearing. Will a 26t chainring work OK with the derailer and chain? Or is this too much of jump to the 39t middle ring?

700/32 Tires
Crank Shimano Tiagra 50/39/30
Cassette SRAM PG970 11-32, 9 speed

We need to know what rear derailleur you are using, it is possible that you are beyond the chain wrap capacity of the RD after installing the 26t.

Besides that issue, the 26t will work fine, just install and Dog Fang to keep the chain where it belongs:
http://www.universalcycles.com/shopp...ls.php?id=6714

Last edited by Barrettscv; 04-24-11 at 10:24 AM.

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