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  1. #1
    Senior Member KLW2's Avatar
    Join Date
    Oct 2005
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    White Bear Lake Mn
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    88 Schwin Voyageur, 84 Schwinn World Sport, 85 Univega Alpina Uno, 85 Fuji Espree, 09 Novara Strada, 06 Jamis Durango, 03 Specialized Expediton Sport, 09 Surly LHT, 12 Novara Gotham
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    Inner chain ring

    I have a Biopace triple that is 50 - 44 - 28 and I would like to go to a 22 inner ring for touring. Should I go to a smaller middle as well to ease shifting? what are the considerations?

  2. #2
    Senior Member Torchy McFlux's Avatar
    Join Date
    Sep 2007
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    Vancouver
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    NOYB
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    If your cranks have 110/74mm BCD (bolt circle diameter) like I suspect, the smallest chainring that will work will be a 24 tooth.
    You'll also need a front derailleur that can handle that wide a difference in chainring sizes.

  3. #3
    Senior Member
    Join Date
    Mar 2007
    Location
    Louisville, KY
    My Bikes
    Trek Madone 5.5, Klein Q Pro Elite, Surley LHT
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    ditch the Biopace. Go to round rings. your knees will thanks you

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