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Thread: Works in progress: what's on the bike stand today?

  1. #461
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    Default Re: Works in progress: what's on the bike stand today?

    Colour-matching a stem for the Parlee:


  2. #462
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    Default Re: Works in progress: what's on the bike stand today?

    If I can find the time this afternoon, the Marinoni is going in the stand.

    Put a Centaur ST bottom bracket in it (which I thought was new, but my memory may be failing), and put Centaur compact alloy cranks on it.

    NDS crank arm keeps coming loose.

    tightened the bolts down
    replaced the washer on the crank bolt
    swapped out the arm for another on e I have, unused.
    Swapped out the arm for a Chorus arm I have.

    Still coming loose. So, time to swap out the bottom bracket.

    I have a brand new Phil Wood in the drawer, and a set of virgin fixing bolts, so hopefully that will fix the issue. Have to try and get it done tonight as after tonight I'm away for two weeks and it will gnaw at me the whole time if I don't get it done.
     

  3. #463
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    Default Re: Works in progress: what's on the bike stand today?

    Quote Originally Posted by TMB View Post
    NDS crank arm keeps coming loose.

    tightened the bolts down
    replaced the washer on the crank bolt
    swapped out the arm for another on e I have, unused.
    Swapped out the arm for a Chorus arm I have.

    Still coming loose. So, time to swap out the bottom bracket.
    Usually this is an issue of the tapers (or whatever interfacing feature) on the crank itself are deformed, and there's no saving it. But since you've tried other crankarms...
    DT

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  4. #464
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    Default Re: Works in progress: what's on the bike stand today?

    Quote Originally Posted by David Tollefson View Post
    Usually this is an issue of the tapers (or whatever interfacing feature) on the crank itself are deformed, and there's no saving it. But since you've tried other crankarms...
    I think it is the BB to be honest. Tried 3 different crankarms. All come loose. Tried all three of those crankarms on a dry fit on the PW and they are tight. The BB is a Campagnolo 111 Centaur but cannot remember it's history. At this point I think the internal threads must be stripped/deformed.
     

  5. #465
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    Default Re: Works in progress: what's on the bike stand today?

    Tomorrow the Parlee's getting a new chainring. Exciting times at Casa Strongin.
     

  6. #466
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    Default Re: Works in progress: what's on the bike stand today?

    Quote Originally Posted by TMB View Post
    I think it is the BB to be honest. Tried 3 different crankarms. All come loose. Tried all three of those crankarms on a dry fit on the PW and they are tight. The BB is a Campagnolo 111 Centaur but cannot remember it's history. At this point I think the internal threads must be stripped/deformed.
    If the PW was a JIS taper spindle, then the ND side arm is probably worn enough that it is bottoming out on the ISO taper spindle in the Centaur BB. Using a JIS taper BB with a worn ISO taper crank is an old remedy. As you may know, Campy cranks are all ISO taper and so their BB's are also. If the crank was installed on a JIS spindle sometime in its history, that may also be the reason it is bottoming out now on the ISO taper spindle (if that is what's happening.)
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  7. #467
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    Default Re: Works in progress: what's on the bike stand today?

    Definitely had some fun today!







    Andrea "Gattonero" Cattolico, head mechanic @Condor Cycles London


    "Caron, non ti crucciare:
    vuolsi così colà dove si puote
    ciò che si vuole, e più non dimandare"

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