Cycling Equipment · Public discussion

Shim for Colnago stem?

Started by Joel Rose · · Last activity · 4 posts · 1,734 views

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Cycling Equipment
Published
10 May 2003
Last activity
10 May 2003
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Joel Rose
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  1. On my bike I have a Colnago/ITM headset and stem. The stem seems to be more than 1 1/8" and the
    included shim has a lip on one end that is cut at an angle. This does not allow the spacers and stem
    to sit flat along the fork steerer!? What gives?? I recently had a fitting done and it was decided
    that a new stem all together would be the only solution to fix this "sketchy" set-up as the fitter
    exclaimed. None of his shims could accommodate the larger than 11/8" stem.

    I was wondering if anyone has any experience with Colnago/ITM stems and if there are any easier
    solutions than to replace the entire stem??

    Thanks, Joel

  2. "Joel Rose" <[email hidden]> wrote in message "]news:[email hidden]...

    Quoted message said:

    On my bike I have a Colnago/ITM headset and stem. The stem seems to be


    more

    Quoted message said:

    than 1 1/8" and the included shim has a lip on one end that is cut at an angle. This does not
    allow the spacers and stem to sit flat along the fork steerer!? What gives?? I recently had a
    fitting done and it was decided


    that

    Quoted message said:

    a new stem all together would be the only solution to fix this "sketchy" set-up as the fitter
    exclaimed. None of his shims could accommodate the larger than 11/8" stem.

    I was wondering if anyone has any experience with Colnago/ITM stems and if there are any easier
    solutions than to replace the entire stem??

    Thanks, Joel

    I'd guess no. If that's the type of Colnago stem I've seen, it's designed to allow you to change the
    angle by flipping the insert sleeve as well as the stem. Flipping the sleeve gives a finer
    adjustment than flipping the stem. Which means it's an odd, proprietary size. The most recent
    Specialized stems do this as well.

  3. Yes that's what it seems like. It's just that with this sleeve adjustment idea, I can't get it to
    line up flush and neither has anyone else who has attempted it. Nice idea but almost useless if it
    won't work!?

    Joel "Steve Blankenship" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    "Joel Rose" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    On my bike I have a Colnago/ITM headset and stem. The stem seems to be


    more

    Quoted message said:

    than 1 1/8" and the included shim has a lip on one end that is cut at an angle. This does not
    allow the spacers and stem to sit flat along the


    fork

    Quoted message said:
    Quoted message said:

    steerer!? What gives?? I recently had a fitting done and it was decided


    that

    Quoted message said:

    a new stem all together would be the only solution to fix this "sketchy" set-up as the fitter
    exclaimed. None of his shims could accommodate the larger than 11/8" stem.

    I was wondering if anyone has any experience with Colnago/ITM stems and


    if

    Quoted message said:
    Quoted message said:

    there are any easier solutions than to replace the entire stem??

    Thanks, Joel

    I'd guess no. If that's the type of Colnago stem I've seen, it's designed to allow you to change
    the angle by flipping the insert sleeve as well as the stem. Flipping the sleeve gives a finer
    adjustment than flipping the stem. Which means it's an odd, proprietary size. The most recent
    Specialized stems do this as well.

  4. You might just need to rotate the sleeve 180 degrees, or try putting the lip on the other side
    (top/bottom) of the stem. Sounds like you have it out of whack as it should line up no problem. Not
    many mechanics are familiar with these, since very few any stems use that approach. But since stem &
    sleeve are made for each other, if you can't sort out how they should go together you'll have to get
    a different stem. You might send an email to the Colnago importers at trialtir-usa and see if they
    can point you in the right direction.

    Good luck,

    SB

    "Joel Rose" <[email hidden]> wrote in message "]news:[email hidden]...

    Quoted message said:

    Yes that's what it seems like. It's just that with this sleeve adjustment idea, I can't get it to
    line up flush and neither has anyone else who has attempted it. Nice idea but almost useless if it
    won't work!?

    Joel "Steve Blankenship" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    "Joel Rose" <[email hidden]> wrote in message
    "]news:[email hidden]...

    Quoted message said:

    On my bike I have a Colnago/ITM headset and stem. The stem seems to be


    more

    Quoted message said:

    than 1 1/8" and the included shim has a lip on one end that is cut at


    an

    Quoted message said:
    Quoted message said:
    Quoted message said:

    angle. This does not allow the spacers and stem to sit flat along the


    fork

    Quoted message said:
    Quoted message said:

    steerer!? What gives?? I recently had a fitting done and it was


    decided

    Quoted message said:
    Quoted message said:

    that

    Quoted message said:

    a new stem all together would be the only solution to fix this


    "sketchy"

    Quoted message said:
    Quoted message said:
    Quoted message said:

    set-up as the fitter exclaimed. None of his shims could accommodate


    the

    Quoted message said:
    Quoted message said:
    Quoted message said:

    larger than 11/8" stem.

    I was wondering if anyone has any experience with Colnago/ITM stems


    and

    Quoted message said:

    if

    Quoted message said:
    Quoted message said:

    there are any easier solutions than to replace the entire stem??

    Thanks, Joel

    I'd guess no. If that's the type of Colnago stem I've seen, it's


    designed

    Quoted message said:
    Quoted message said:

    to allow you to change the angle by flipping the insert sleeve as well


    as

    Quoted message said:
    Quoted message said:

    the stem. Flipping the sleeve gives a finer adjustment than flipping


    the

    Quoted message said:
    Quoted message said:

    stem. Which means it's an odd, proprietary size. The most recent Specialized stems do this
    as well.


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