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  1. #1
    Senior Member etherhuffer's Avatar
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    How to measure headset specs

    I have an older Schwinn Voyageur 11.8. How do I measure the headset specs? I have the headset removed from the frame.

  2. #2
    Your mom
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    You almost certainly have a 1" threaded headset, from the age of the bike.

  3. #3
    slow as I ever was Ex Pres's Avatar
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    Measure your headtube length (not including the cups), and subtract that from the steerer length to give you your headset's stack height. If you have any spacers (but not the flat keyed washer), subtract that thickness, too.
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  4. #4
    Senior Member etherhuffer's Avatar
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    It looks like the caliper measure I have gives 21.1x30x25.4 I will check the stack height as well.

  5. #5
    Low car diet JiveTurkey's Avatar
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  6. #6
    Low car diet JiveTurkey's Avatar
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    The stack height is really only important to know if you'll be replacing the headset.

  7. #7
    Senior Member etherhuffer's Avatar
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    With a .833/21.1 stem, its sort of an odd size, seemingly half ISO and half BMX

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