Cycling Equipment · Public discussion

Bottom Bracket Guide Problem - Specialized Roubaix

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Cycling Equipment
Published
20 January 2006
Last activity
25 January 2006
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  1. Frame is a 2005 Specialized Roubaix Elite carbon. The bottom bracket
    guide is so low profile (thin, snug against the frame) that the cables
    rub on the downtube/BB shell before they enter the plastic guide. Seems
    like I need a higher profile (thicker) guide, but this also has a
    "tail" that goes up through a hole in the frame to keep the FD cable
    from rubbing the the routing hole in the carbon frame, so a generic
    won't do it. Anyone else had a similar problem? Any solutions? Seems
    like a design flaw by Specialized.

  2. Quoted message said:

    Frame is a 2005 Specialized Roubaix Elite carbon. The bottom bracket
    guide is so low profile (thin, snug against the frame) that the cables
    rub on the downtube/BB shell before they enter the plastic guide.
    Seems like I need a higher profile (thicker) guide, but this also has
    a "tail" that goes up through a hole in the frame to keep the FD cable
    from rubbing the the routing hole in the carbon frame, so a generic
    won't do it. Anyone else had a similar problem? Any solutions? Seems
    like a design flaw by Specialized.

    What size is it? I'll go take a look at the new bikes we have tomorrow and
    see if I can devise a solution for you.
    --
    Phil, Squid-in-Training

  3. Quoted message said:

    Frame is a 2005 Specialized Roubaix Elite carbon. The bottom bracket
    guide is so low profile (thin, snug against the frame) that the cables
    rub on the downtube/BB shell before they enter the plastic guide. Seems
    like I need a higher profile (thicker) guide, but this also has a
    "tail" that goes up through a hole in the frame to keep the FD cable
    from rubbing the the routing hole in the carbon frame, so a generic
    won't do it. Anyone else had a similar problem? Any solutions? Seems
    like a design flaw by Specialized.

    You might just stick a couple layers of 3M double sided foam
    tape under it

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

  4. It's a 56 cm, thanks.

  5. Quoted message said:

    Frame is a 2005 Specialized Roubaix Elite carbon. The bottom bracket
    guide is so low profile (thin, snug against the frame) that the cables
    rub on the downtube/BB shell before they enter the plastic guide. Seems
    like I need a higher profile (thicker) guide, but this also has a
    "tail" that goes up through a hole in the frame to keep the FD cable
    from rubbing the the routing hole in the carbon frame, so a generic
    won't do it. Anyone else had a similar problem? Any solutions? Seems
    like a design flaw by Specialized.

    When bicycle housing came unlined, plastic lining was readilly
    available to line the housings. Many shops still have some. I think
    it's the same stuff that lines the noodles on MTB brakes. I've used
    lengths of that stuff on pre click shifting steel bicycles that had
    just metal hooks or grooves for the cables. I've used it on plastic
    cable guides that get cut by cables and I've used it in exactly the
    situtation that you are encountering.

  6. Quoted message said:

    It's a 56 cm, thanks.

    Anthony, I had a chance to check out our new bikes. Sure enough, the cable
    does rub on the downtube somewhat. As others have said, I would just add a
    noodle bit or something with delrin to fill in the gap. You may want to
    call Specialized to see if they have a redesigned bottom bracket guide.
    --
    Phil, Squid-in-Training

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