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  1. #1
    mtbr member
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    Jan 2005

    91 catalyst headset size.

    I have a 1991 Brodie catalyst with a Manitou Three fork. The headset is shot I think it is a 1inch threaded headset I need does anyone know if this is correct.
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    Last edited by waylnway; 01-17-2005 at 01:15 AM.

  2. #2
    mtbr member
    Reputation: GonaSovereign's Avatar
    Join Date
    Sep 2004
    It's a bit hard to tell from the perspective on your pic, but it should be a 1". 1990 and '91 Catalysts had 1" standard. 1 1/8" wasn't standard until '93.

    Measure the quill part of your stem. If it's slightly less than 1" across the diameter, you'll know it's a 1".

    Nice bike, by the way.
    Show me your Toads. Old Brodies, too.

  3. #3
    mtbr member
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    Jan 2005
    Thanks and thanks. do you mean measure the part of the stem that meets the headset? I just never have heard the term the quill of the stem.

  4. #4
    mwr is offline
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    Jul 2004
    The quill is the part of the stem that sticks down into the steerer tube on the fork.

  5. #5
    mtbr member
    Join Date
    Jan 2005
    thanks for the info

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