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  1. #1
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    anyone know the exact I.D. of FSA 1.5" crown race? for A9C?

    before someone says: 1.5".... I'm measuring ~1.572" at the base of the taper. i'm wondering how much interference is required.

    thx

  2. #2
    Nouveau Retrogrouch SuperModerator
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    Quote Originally Posted by Riken View Post
    before someone says: 1.5".... I'm measuring ~1.572" at the base of the taper. i'm wondering how much interference is required.

    thx
    brand does not matter.
    Fork crown seat OD: 39.79mm
    Headset crown race ID: 39.76mm

    http://canecreek.com/resources/produ...pecs-rev-e.pdf
    mtbtires.com
    The trouble with common sense is it is no longer common

  3. #3
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    so .001 - .005" interference going by the chart.

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