Cycling Equipment · Public discussion

handlebar stem and obscured expander bolt screw

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Cycling Equipment
Published
19 June 2005
Last activity
20 June 2005
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Email address hidden
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6
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  1. Hi

    Just installing a 3T Quid stem. It has a plastic cover over the
    expander bolt screw (which you can just about see if you go here
    http://www.parker-international.co.uk/ProductDetails/mcs/productID/2709/groupID/4/categoryID/51/v/).
    Took that off but the actual bolt screw is totally obscured by the
    rubbery thing that the plastic cover screw goes into!

    Any ideas? The manual that comes with the stem doesn't even mention
    this type of part. I was thinking of pulling the thing out with some
    pliers but would like some opinions or other options!

    Thanks,

    [email hidden]

  2. Quoted message said:

    Hi

    Just installing a 3T Quid stem. It has a plastic cover over the
    expander bolt screw (which you can just about see if you go here
    http://www.parker-international.co.uk/ProductDetails/mcs/productID/2709/groupID/4/categoryID/51/v/).
    Took that off but the actual bolt screw is totally obscured by the
    rubbery thing that the plastic cover screw goes into!

    Any ideas? The manual that comes with the stem doesn't even mention
    this type of part. I was thinking of pulling the thing out with some
    pliers but would like some opinions or other options!

    Do you mean the black shim between the two halves of the clamp? That's
    there to stop you crushing the bar and it should be left in place. The
    bar will still be held tight - try it.

  3. Quoted message said:
    Quoted message said:

    Hi

    Just installing a 3T Quid stem. It has a plastic cover over the
    expander bolt screw (which you can just about see if you go here
    http://www.parker-international.co.uk/ProductDetails/mcs/productID/2709/groupID/4/categoryID/51/v/).

    Took that off but the actual bolt screw is totally obscured by the
    rubbery thing that the plastic cover screw goes into!

    Any ideas? The manual that comes with the stem doesn't even mention
    this type of part. I was thinking of pulling the thing out with some
    pliers but would like some opinions or other options!


    Zog The Undeniable said:

    Do you mean the black shim between the two halves of the clamp? That's
    there to stop you crushing the bar and it should be left in place. The
    bar will still be held tight - try it.

    That's rubber, not steel.

    The parabola-shaped piece inside a stem slit simply 'looks
    nice' and in fact with early models such as Cinelli XA, red,
    blue, white yellow were supplied in the package. No
    functional difference with it or without it.

    Some models of Profile stem at one time included a small
    hard nylon insert purported to prevent overtightening. I
    can't say if it worked as most of those stems I see on bikes
    are missing the insert anyway.

    Stop and think about what you wrote. A piece of rubber can't
    help at all.

    Back to the OP, it sounds as if there is a plastic part
    stuck in the top, occluding access to the expander. Yes, dig
    that out. We like a pointy spoke for such jobs.

    --
    Andrew Muzi
    www.yellowjersey.org
    Open every day since 1 April, 1971

  4. Quoted message said:

    Hi

    Just installing a 3T Quid stem. It has a plastic cover over the
    expander bolt screw (which you can just about see if you go here
    http://www.parker-international.co.uk/ProductDetails/mcs/productID/2709/groupID/4/categoryID/51/v/).
    Took that off but the actual bolt screw is totally obscured by the
    rubbery thing that the plastic cover screw goes into!

    Any ideas? The manual that comes with the stem doesn't even mention
    this type of part. I was thinking of pulling the thing out with some
    pliers but would like some opinions or other options!

    Thanks,

    [email hidden]

    If it's like a piece of plastic tube that sticks out of the stem
    extension for the black metal screw that attaches the plastic cover it
    just pulls out with pliers.
    It's split at one end and the cover attachment screw uses it like a wall
    anchor.
    Be gentle when tightening the cover screw as the aero cover is thin
    crappy plastic and will split.

    Marcus Coles

  5. Thanks for the reply. Extracted it with pliers. You're right about the
    plastic cover: it looks very crappy and thin which is a bit of a shame.

    Cheers

    cccrider

  6. Cheers Andrew, used pliers, but I will add this to my list of jobs that
    can be done with spokes (which was limited to greasing and poking)!

    cccrider

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