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  1. #1
    Cannondale Snob
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    Idea! Lefty steerer removal tool = D-cell Maglite

    My '06 Rush needed its Lefty rebuilt after 3 years of minimal maintenance. In order to ship it off to Craig I had to remove it from the frame without any of the appropriate tools except allen keys.

    After removing the stem, I had to find a way to remove the steerer. A 2' 2x4 knocked it down into the headtube nicely, but then I was stumped on how to move it further. After trying a number of cylindrical objects, I grabbed my D-cell Mag-lite. I removed both ends (and, of course, the batteries) and it fit on top of the steerer perfectly! A few whacks with the 2x4 and the steerer was out.

    Granted, a D-cell Mag-lite probably costs more than the actual tool, but you're also more likely to have one just laying around storing dead batteries anyhow.
    '06 Cannondale Rush 1000 4" travel 27lbs
    '04 Cannondale F600 SOBE -STOLEN!
    '96 Cannondale Uber-V 6" travel 30lbs

  2. #2
    LA CHÈVRE
    Reputation: Dan Gerous's Avatar
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    Nice tip.

    DAN.GEROUS.NET : MOUNTAIN BIKING : CYCLOCROSS : ROAD :

  3. #3
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    I only have a AA Maglite, but a piece of 1.5" PVC pipe also works well.

  4. #4
    FIRENZE rulez !!
    Reputation: eliflap's Avatar
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    which Maglite ?

    3 D ? 2 D ?

    or have they same diameter as i guess ?

    is only lenght different , right ?

  5. #5
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    Tips like this are what makes internet forums the best!

  6. #6
    Cannondale Maros Team
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    maybe a photo will make me understand what are you talking about

  7. #7
    Cannondale Snob
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    zaphod123- thanks for the tip on the 1.5" PVC, maybe I'll keep a couple feet of that around for next time.

    Eliflap- only the length is changed with Mag-lites that hold more batteries of the same size. I have a 4-D and 3-D Mag-lite, and used the 3-D one.

    vladxc- I'll take some pictures for you when the fork arrives. I'll ask my girlfriend to dress more scantily while she holds the frame for me, as well
    '06 Cannondale Rush 1000 4" travel 27lbs
    '04 Cannondale F600 SOBE -STOLEN!
    '96 Cannondale Uber-V 6" travel 30lbs

  8. #8
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    i'm trying to remove a Cannondale Lefty XC3 Si stem i got all the bolts off and all it does is twist around and won't come out any suggestions on how to remove it?

    i hate going to the local cannondale dealer with such a simple problem to fix.

  9. #9
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    i used the wooden handle of a hammer. aluminum on aluminum doesn't sound good in my book.

    for the one-piece see the attached manual and use a 1.5" pvc pipe or hammer handle:
    Attached Images Attached Images

  10. #10
    mtbr member
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    To remove the SI stem , you need a tool from
    Cannondale called the "Ernie" .

  11. #11
    mtbr member
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    Quote Originally Posted by ccaddy
    To remove the SI stem , you need a tool from
    Cannondale called the "Ernie" .
    you gotta be f*cking joking?

  12. #12
    mtbr member
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    Nope ...
    In the INSTRUCTIONS section , 2nd one from the bottom .
    http://www3.cannondale.com/tech_cent...ion/lefty.html

  13. #13
    a shop guy
    Reputation: vcmark's Avatar
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    Quote Originally Posted by HAL 9000
    i'm trying to remove a Cannondale Lefty XC3 Si stem i got all the bolts off and all it does is twist around and won't come out any suggestions on how to remove it?

    i hate going to the local cannondale dealer with such a simple problem to fix.

    try the PVC. all the "ernie" is is a chunk of Alum. with a lip on it the catches the steerer to push it out.

  14. #14
    mtbr member
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    rather than getting frustrated i just took it down to the shop and let them beat on it for a while...

    the headset bearings were pretty "grindy" also so when i get the fork back from being serviced i'll have them install a fresh set.

    i hate not being able to do something myself when working on my bike.

  15. #15
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    just has removed a Cannondale Lefty XC3 Si stem, it was realy easy. i took a PVC Electrical Pipe with a diameter of 40 mm. took of the bolt in the bottom and then used the pipe and a hammer. hammered the stem out and then it was realy easy to just pull the pipe out. sorry for my english, it isn´t the best so it´s hard to explain

  16. #16
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    Quote Originally Posted by ccaddy
    To remove the SI stem , you need a tool from Cannondale called the "Ernie" .
    No you don't. The PVC pipe technique works like a charm.

  17. #17
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    +1 for the MagLite useage, worked like a charm

  18. #18
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    Incidentally, the business end of a crown-race installer (for standard headsets) works great as well.

    Somewhere I have a spare bottom cap lying around - file off the edges, thread it in, and you won't ever risk ruining the threads. I've had a wooden hammer handle botch some of the threads making it hard to get that bottom cap back on.
    Quote Originally Posted by sickspeed16
    Your not all mountain unless your runnin' crushed dew cans..
    '12 Scalpel 29er Carbon 1
    '13 SuperSix EVO Red Racing

  19. #19
    mtbr member
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    Does the Maglite survive this procedure and remain functional as a flashlight? Or do you have to wack it too hard?
    '05 Prophet 1000
    '09 F3
    '93 Delta V 700
    '08 F6 Lefty (son's)
    '08 F6 (daughter's)

  20. #20
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    Maglite survives, you are only using the cylinder, after you take the flashlight apart... MagLites are tough, and its only a few love "taps." Use a rubber mallet, not a hammer!

  21. #21
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    Do you really need the tool or PVC pipe to install the SI stem - looks like you could just hammer it in with a rubber mallet?

  22. #22
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    true, but the MagLite, PVC, is for removing the steerer

  23. #23
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    Just ordered an SI stem to replace the stock 2 piece. So let me be clear on all this info.

    Installing the stem can be accomplished with a hard faced or rubber, but not metal, hammer.

    Removal is performed with the Cannondale tool, a piece of 1.5" PVC or a D-cell Mag light
    2014 Cannondale F29 Carbon 3
    2009 GT Peace 9R SS
    2008 Cannondale Prophet 4, Lefty Max TPC

  24. #24
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    Quote Originally Posted by jdinsj
    Just ordered an SI stem to replace the stock 2 piece. So let me be clear on all this info.

    Installing the stem can be accomplished with a hard faced or rubber, but not metal, hammer.

    Removal is performed with the Cannondale tool, a piece of 1.5" PVC or a D-cell Mag light
    I hope you have a bonded lefty, or it wont work. The SI stem requires you to bolt on the lower part of the steer tube. I looked into this and was not happy to find I could not use it on my Lefty Max tpc (not bonded)
    Lead by my Lefty............... right down the trail, no brakes.

  25. #25
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    The SI stem is for the DLR on my new Flash 29.
    2014 Cannondale F29 Carbon 3
    2009 GT Peace 9R SS
    2008 Cannondale Prophet 4, Lefty Max TPC

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