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  1. #1
    Senior Member smurfy's Avatar
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    Inner Chainring - 39T (or less). Campy 135 BCD

    I'm wanting to use my Campy Athena crank for my '90 Trek 420 project. Current rings are 53-42 - way too big. I was thinking of going 42-39. Smaller than 39T would be better. Doesn't have to be Campagnolo brand. I know Cannondale CODA brand made them in 38T but they are almost impossible to find.
    "You handle it like you handle a bicycle" - Jacques Rosay, Airbus A380 test pilot

  2. #2
    Insane Bicycle Mechanic Jeff Wills's Avatar
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    Mar 2008
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    other Vancouver
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    39 teeth is the smallest possible ring on the 135mm Campy bolt pattern. I suspect the CODA ring was a 130mm (Shimano and others) bolt pattern.
    Jeff Wills

    All my bikes.

  3. #3
    Newbie
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    Aug 2014
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    i have a 39t ring off a campy record crank for 45 shipped

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