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  1. #1
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    headset size for old Trek 830?

    Trek 830 Steel MTB frame that takes a 1 inch fork needs a headset. Does anyone know if this model takes a 30.0mm or 30.2mm diameter head set?

    The fork I picked up for it is a JIS fork, and I am concerned that the headset isn't JIS (30.0 and a 27.0 fork crown race.)

    Thanks for the help,

    Tom O'Hara

  2. #2
    Senior Member sydney's Avatar
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    Quote Originally Posted by Tom_OHara
    Trek 830 Steel MTB frame that takes a 1 inch fork needs a headset. Does anyone know if this model takes a 30.0mm or 30.2mm diameter head set?

    The fork I picked up for it is a JIS fork, and I am concerned that the headset isn't JIS (30.0 and a 27.0 fork crown race.)

    Thanks for the help,

    Tom O'Hara
    30.0 cups are JIS. Trek didn't use JIS.

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