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  1. #1
    Senior Member nrowensby's Avatar
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    How to measure quill stem?

    What is the proper way to measure the stem and/or fork?

    My bike is a cross between a 1997 Trek 850 and 1997 Trek 930, each had different size forks/stems, so I'm not sure which mine has without measuring.

  2. #2
    Senior Member wahoonc's Avatar
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    I use calipers and measure just above the nut that holds the fork assembly together. Or you can go to Bikepedia...

    The 850 has a 1" and the 930 has the 1-1/8" "oversized". FWIW I measure my stuff.

    Aaron
    Webshots is bailing out, if you find any of my posts with corrupt picture files and want to see them corrected please let me know. :(

    ISO: A late 1980's Giant Iguana MTB frameset (or complete bike) 23" Red with yellow graphics.

    "Cycling should be a way of life, not a hobby.
    RIDE, YOU FOOL, RIDE!"
    _Nicodemus

    "Steel: nearly a thousand years of metallurgical development
    Aluminum: barely a hundred
    Which one would you rather have under your butt at 30mph?"
    _krazygluon

  3. #3
    Senior Member Road Fan's Avatar
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    Are we talking about quill stems? Isn't it different by manufacturer, if not by cyclist? For non-quill, isn't it axis to axis?

  4. #4
    Senior Member nrowensby's Avatar
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    Quote Originally Posted by wahoonc View Post
    I use calipers and measure just above the nut that holds the fork assembly together. Or you can go to Bikepedia...

    The 850 has a 1" and the 930 has the 1-1/8" "oversized". FWIW I measure my stuff.

    Aaron
    I know the 930 and 850 have different size forks, that's why I wasn't sure which the VW Jetta bike has...

    Will find a set of calipers and measure tomorrow. Thanks!

  5. #5
    Senior Member wahoonc's Avatar
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    Quote Originally Posted by nrowensby View Post
    I know the 930 and 850 have different size forks, that's why I wasn't sure which the VW Jetta bike has...

    Will find a set of calipers and measure tomorrow. Thanks!
    You can use an adjustable wrench and a tape measure in a pinch.

    Aaron
    Webshots is bailing out, if you find any of my posts with corrupt picture files and want to see them corrected please let me know. :(

    ISO: A late 1980's Giant Iguana MTB frameset (or complete bike) 23" Red with yellow graphics.

    "Cycling should be a way of life, not a hobby.
    RIDE, YOU FOOL, RIDE!"
    _Nicodemus

    "Steel: nearly a thousand years of metallurgical development
    Aluminum: barely a hundred
    Which one would you rather have under your butt at 30mph?"
    _krazygluon

  6. #6
    Senior Member nrowensby's Avatar
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    Quote Originally Posted by wahoonc View Post
    You can use an adjustable wrench and a tape measure in a pinch.

    Aaron
    Great idea!! Now I don't have to go buy a caliper today

  7. #7
    Senior Member wahoonc's Avatar
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    So what did you find out?

    Is it going to fit or ??

    Aaron
    Webshots is bailing out, if you find any of my posts with corrupt picture files and want to see them corrected please let me know. :(

    ISO: A late 1980's Giant Iguana MTB frameset (or complete bike) 23" Red with yellow graphics.

    "Cycling should be a way of life, not a hobby.
    RIDE, YOU FOOL, RIDE!"
    _Nicodemus

    "Steel: nearly a thousand years of metallurgical development
    Aluminum: barely a hundred
    Which one would you rather have under your butt at 30mph?"
    _krazygluon

  8. #8
    Senior Member nrowensby's Avatar
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    I haven't bought anything yet... Measure first, then buy.

  9. #9
    Senior Member wahoonc's Avatar
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    Quote Originally Posted by nrowensby View Post
    I haven't bought anything yet... Measure first, then buy.
    That goes against my religion...BUY then worry about what to do with it...

    Aaron
    Webshots is bailing out, if you find any of my posts with corrupt picture files and want to see them corrected please let me know. :(

    ISO: A late 1980's Giant Iguana MTB frameset (or complete bike) 23" Red with yellow graphics.

    "Cycling should be a way of life, not a hobby.
    RIDE, YOU FOOL, RIDE!"
    _Nicodemus

    "Steel: nearly a thousand years of metallurgical development
    Aluminum: barely a hundred
    Which one would you rather have under your butt at 30mph?"
    _krazygluon

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