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  1. #1
    mtbr member
    Reputation: farley's Avatar
    Join Date
    Feb 2004

    How important is a PERFECT chainline?

    I"ve got a hub that I want to use which won't let me get a perfect chainline. The best I could get would have the cog sitting about 2-3 millimeters inboard of the chainring.

    Anybody know if that's "good enough" or is it unwise to use a setup that's off by even a little bit?
    Fat, tired.

  2. #2
    mtbr member
    Reputation: Kaboose21's Avatar
    Join Date
    Feb 2009
    Meh.... i'd say it's fine. chain and cog will wear out a little faster than normal, but not noticably faster.

  3. #3
    mtbr member
    Join Date
    Aug 2007
    As long as it doesn't drop the chain it's fine. 2-3mm, depending on chainstay length, probably won't be a problem. The only issue is more wear. If using 3/32 cog/ring and an 1/8 chain it might straighten it out. Riding towards the edge of one and to the edge of the other.

  4. #4
    one chain loop
    Reputation: fishcreek's Avatar
    Join Date
    Apr 2007
    2-3mm's is not a big deal especially for 29'ers with long chainstays. just make sure your tension is good.
    everything sucks but my vacuum cleaner.

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