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Campy CT front derailleur

Started by Tim McTeague · · Last activity · 6 posts · 489 views

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Cycling Equipment
Published
5 October 2006
Last activity
7 October 2006
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Tim McTeague
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  1. I've seen many posts complaining about Campagnolo's CT front derailleurs not
    working well with off brand cranks. I have also seen some saying it works
    fine with all Campy stuff. I run Record Ergo shifters with Dura Ace 9
    speed gears. The recent addition of a Chorus Ultra-Torque CT crank has me
    thinking about the CT derailleur, hoping it can replace my Dura-Ace and Jump
    Stop gizmo. I tried a '06 Chorus shifter last week and my 9 speed Shimano
    chain rubbed nearly all the time. With the little plastic insert Campagnolo
    uses there was hardly room for the chain. I ret'd the part and then found I
    should have knocked out the insert and that it was only there for 10 speed.
    The inst. sheet made no mention of this. Lots of Googling turned up a few
    posts with mentions of chain rub on the new CT models. So, soon all there
    will be is the new QS shifters which require two lever pushes with the non
    QS Ergos. Anyone have experience with a 9 speed chain and the "old" CT
    derailleur? Thanks.

    Tim McTeague

  2. Tim McTeague said:

    I've seen many posts complaining about Campagnolo's CT front derailleurs not
    working well with off brand cranks. I have also seen some saying it works
    fine with all Campy stuff. I run Record Ergo shifters with Dura Ace 9
    speed gears. The recent addition of a Chorus Ultra-Torque CT crank has me
    thinking about the CT derailleur, hoping it can replace my Dura-Ace and Jump
    Stop gizmo. I tried a '06 Chorus shifter last week and my 9 speed Shimano
    chain rubbed nearly all the time. With the little plastic insert Campagnolo
    uses there was hardly room for the chain. I ret'd the part and then found I
    should have knocked out the insert and that it was only there for 10 speed.
    The inst. sheet made no mention of this. Lots of Googling turned up a few
    posts with mentions of chain rub on the new CT models. So, soon all there
    will be is the new QS shifters which require two lever pushes with the non
    QS Ergos. Anyone have experience with a 9 speed chain and the "old" CT
    derailleur? Thanks.

    Tim McTeague

    No, not '2 lever pushes' for non QS Ergo, at least for Record and
    Chorus or the QS fd...it actually just a longer armed FD for more FD
    travel for given cable pull. Not sure why you have so much rub, but
    yes, take the plastic thingy in the FD out..I would still use a
    chainwatcher, even with a CT FD, BTW-

    I have used any FD with ERGO and 9s shimano chains, but Campag CT works
    best with all Campag 10s stuff, no doubt about it. Might try a
    Wipperman 6.2mm so called '10s' chain or the Sram PC-899R, also 6.2mm,
    but works fine with 9s shimano cogsets.

  3. "Qui si parla Campagnolo" <[email hidden]> wrote in message
    news:[email hidden]...

    Quoted message said:


    No, not '2 lever pushes' for non QS Ergo, at least for Record and
    Chorus or the QS fd...it actually just a longer armed FD for more FD
    travel for given cable pull. Not sure why you have so much rub, but
    yes, take the plastic thingy in the FD out..I would still use a
    chainwatcher, even with a CT FD, BTW-

    I have used any FD with ERGO and 9s shimano chains, but Campag CT works
    best with all Campag 10s stuff, no doubt about it. Might try a
    Wipperman 6.2mm so called '10s' chain or the Sram PC-899R, also 6.2mm,
    but works fine with 9s shimano cogsets.

    Thanks, Peter. I'm in no hurry to replace the Shimano FD but was afraid
    that only the QS models would be availble in the near future. According to
    several web sites: "Please note, however, that the QS Compact front
    derailleur is compatible with pre-2007 Ergopower levers, though shifting
    between chainrings will require at least two lever pushes". That is what
    got me concerned.

    Tim McTeague

  4. Tim McTeague said:

    "Qui si parla Campagnolo" <[email hidden]> wrote in message
    news:[email hidden]...

    Quoted message said:


    No, not '2 lever pushes' for non QS Ergo, at least for Record and
    Chorus or the QS fd...it actually just a longer armed FD for more FD
    travel for given cable pull. Not sure why you have so much rub, but
    yes, take the plastic thingy in the FD out..I would still use a
    chainwatcher, even with a CT FD, BTW-

    I have used any FD with ERGO and 9s shimano chains, but Campag CT works
    best with all Campag 10s stuff, no doubt about it. Might try a
    Wipperman 6.2mm so called '10s' chain or the Sram PC-899R, also 6.2mm,
    but works fine with 9s shimano cogsets.

    Thanks, Peter. I'm in no hurry to replace the Shimano FD but was afraid
    that only the QS models would be availble in the near future. According to
    several web sites: "Please note, however, that the QS Compact front
    derailleur is compatible with pre-2007 Ergopower levers, though shifting
    between chainrings will require at least two lever pushes". That is what
    got me concerned.

    Tim McTeague

    Since the arms of the 'QS' FDs are longer and pre-2007 ERGO will work
    with any FD...I don't get the '2 push' thing...

  5. Tim McTeague said:

    "Qui si parla Campagnolo" <[email hidden]> wrote in message
    news:[email hidden]...

    Quoted message said:


    No, not '2 lever pushes' for non QS Ergo, at least for Record and
    Chorus or the QS fd...it actually just a longer armed FD for more FD
    travel for given cable pull. Not sure why you have so much rub, but
    yes, take the plastic thingy in the FD out..I would still use a
    chainwatcher, even with a CT FD, BTW-

    I have used any FD with ERGO and 9s shimano chains, but Campag CT works
    best with all Campag 10s stuff, no doubt about it. Might try a
    Wipperman 6.2mm so called '10s' chain or the Sram PC-899R, also 6.2mm,
    but works fine with 9s shimano cogsets.

    Thanks, Peter. I'm in no hurry to replace the Shimano FD but was afraid
    that only the QS models would be availble in the near future. According to
    several web sites: "Please note, however, that the QS Compact front
    derailleur is compatible with pre-2007 Ergopower levers, though shifting
    between chainrings will require at least two lever pushes". That is what
    got me concerned.

    If the new QS front derailleurs have longer arms then you have to pull
    more cable to shift from the inner ring to the outer ring. So you will
    have to push on the Ergo finger lever twice to move the front
    derailleur. Unless your fingers are very long and you have the cable
    adjuste dvery tight, it may be unlikely you can make one push of the
    finger lever to get the front derailleur from its inner limit screw to
    its outer limit screw. Thus two lever pushes are necessary. You
    ratchet it half way with the first push then ratchet it the rest of the
    way with the second push.

    Quoted message said:


    Tim McTeague

  6. Quoted message said:
    Tim McTeague said:

    "Qui si parla Campagnolo" <[email hidden]> wrote in message
    news:[email hidden]...

    Quoted message said:


    No, not '2 lever pushes' for non QS Ergo, at least for Record and
    Chorus or the QS fd...it actually just a longer armed FD for more FD
    travel for given cable pull. Not sure why you have so much rub, but
    yes, take the plastic thingy in the FD out..I would still use a
    chainwatcher, even with a CT FD, BTW-

    I have used any FD with ERGO and 9s shimano chains, but Campag CT works
    best with all Campag 10s stuff, no doubt about it. Might try a
    Wipperman 6.2mm so called '10s' chain or the Sram PC-899R, also 6.2mm,
    but works fine with 9s shimano cogsets.

    Thanks, Peter. I'm in no hurry to replace the Shimano FD but was afraid
    that only the QS models would be availble in the near future. According to
    several web sites: "Please note, however, that the QS Compact front
    derailleur is compatible with pre-2007 Ergopower levers, though shifting
    between chainrings will require at least two lever pushes". That is what
    got me concerned.

    If the new QS front derailleurs have longer arms then you have to pull
    more cable to shift from the inner ring to the outer ring. So you will
    have to push on the Ergo finger lever twice to move the front
    derailleur. Unless your fingers are very long and you have the cable
    adjuste dvery tight, it may be unlikely you can make one push of the
    finger lever to get the front derailleur from its inner limit screw to
    its outer limit screw. Thus two lever pushes are necessary. You
    ratchet it half way with the first push then ratchet it the rest of the
    way with the second push.

    Tell ya what, after I actually touch and install this stuff, I'll post
    my findings..like using the 'QS' FD with 2006 ERGO, using the 'QS' and
    Escape ERGO with standard FDs, etc. I'll take a Centaur lever apart and
    see how it's made, etc...I have not installed any of this stuff, have
    only seen pix, except for the crank(which we have).

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