Chainring offset measurements - How is it measured-
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  1. #1
    mtbr member
    Join Date
    Oct 2005

    Chainring offset measurements - How is it measured

    I would like to optimize my chainline and run Absolute black oval ring
    Currently it has SRAM direct mount 0 offset and the chainline is a bit too far away from the center of fram and makes some noise when on the largest cog but does not skip nor fall off.

    Bike is a F29 Lefty 2012 with sram 1x10 (current 0 offset direct drive xsync chainring)

    How are AB (or other) Chainring offset measured ?
    Everyone assumes that its measured from contact face of chainring to the crankarm, to the center of the chainline (chainring tooth) but i think thats not accurate and hence i want to confirm.

  2. #2
    mtbr member
    Reputation: White7's Avatar
    Join Date
    Feb 2015
    Chainline is measured from the centerline of the frame to the center of the chain. , I'm not 100% sure that's you're question though .

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