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  1. #1
    Senior Member Canadian's Avatar
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    How short a stem can I go on a 2006 Trek 1500?

    I'm a female; I think my reach is too long on my Trek 1500. I'm struggling to figure out how to shorten the stem. I know it comes with Bontrager Select OS/7d and I've checked the website http://bontrager.com/model/04057/en but now I'm confused. How do I know what size stem I'm using? I'm on a 54 cm.
    ***If you don't own any y chromosomes and are interested in discovering the Hidden Mystery that is the Women's Forum, PM me for more information.***

  2. #2
    POWERCRANK addict markhr's Avatar
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    http://www.sheldonbrown.com/gloss_ha-i.html#headset

    To change the stem see above

    To get the right length you may need to go into the LBS and get a bike fit done.
    shameless POWERCRANK plug
    Recommended reading for all cyclists - Cyclecraft - Effective Cycling
    Condor Cycles - quite possibly the best bike shop in London
    Don't run red lights, wear a helmet, use hand signals, get some cycle lights(front and rear) and, FFS, don't run red lights!

  3. #3
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    Quote Originally Posted by Canadian View Post
    I'm a female; I think my reach is too long on my Trek 1500. I'm struggling to figure out how to shorten the stem. I know it comes with Bontrager Select OS/7d and I've checked the website http://bontrager.com/model/04057/en but now I'm confused. How do I know what size stem I'm using? I'm on a 54 cm.
    There are four measurements for a stem: angle, length, steertube clamp size and handlebar clamp size.

    Most steertubes these days are 1 1/8 inches. A few are 1 inch

    Most handlebars these days are 31.8mm which is also known as OS (oversize). That's because the standard used to be 26.0, but from what I see, the OS is much more common now.

    I "think" you're asking about length. Often it's marked on the stem and common lengths are 90, 100, 110, 120 mm. 80 and 130 are also fairly common. Those lengths are sometimes stated in cm instead of mm - therefore, 9, 10, 11, 12 cm.

    If you're not sure about the length, you can easily measure it. The stem extends from the steer tube to the handlebars. Measure from the center of the steer tube (it has a cap which has a small bolt in the center - use that) to the center of the handlebar clamp. If you're using a US ruler, convert to cm by multiplying by 2.54 or to mm by multiplying by 25.4.

  4. #4
    Senior Member Canadian's Avatar
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    Thanks for the help! I truly appreciate it.

    And, incidentally, I'm Canadian, so no need to do the math!
    ***If you don't own any y chromosomes and are interested in discovering the Hidden Mystery that is the Women's Forum, PM me for more information.***

  5. #5
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    Quote Originally Posted by Canadian View Post
    Thanks for the help! I truly appreciate it.

    And, incidentally, I'm Canadian, so no need to do the math!
    DOH, I guess the user name would be a hint?
    Good luck!

  6. #6
    Senior Member SweetLou's Avatar
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    Quote Originally Posted by Canadian View Post
    Thanks for the help! I truly appreciate it.

    And, incidentally, I'm Canadian, so no need to do the math!
    But you also mentioned that you are female.

    Sorry, I couldn't let that go by.

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