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  1. #1
    Senior Member Joseph Vigue's Avatar
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    question about FSA Omega Mega Exo Triple

    Does this crank have a self extracting crank bolt, or do I need a crank puller for it? I would like to change the chainring and am wondering what I will need. Couldn't find a video on youtube with a similar set up where only one side of the crank has a bolt.
    2007 Bianchi Via Narone 105

  2. #2
    just pokin' along desertdork's Avatar
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    If you want it, the crank installation pdf is available at the FSA site. I believe the Omega cranks use pinch bolts and an adjustable preload (cap) screw, very much like Shimano Hollowtech cranks. No self extracting bolt. No crank puller required.

    Edit: http://www.fullspeedahead.com/fly.as...layout=product
    Last edited by desertdork; 09-17-10 at 08:45 PM. Reason: link

  3. #3
    Senior Member Joseph Vigue's Avatar
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    So no special tools needed? just remove L crank arm, remove adjusting cap and pull the right crank chainrings and all through the bottom bracket?
    2007 Bianchi Via Narone 105

  4. #4
    just pokin' along desertdork's Avatar
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    See: http://www.parktool.com/repair/readhowto.asp?id=95#fsa

    The cap requires an 8mm hex wrench, and the pinch bolts require a 5mm hex wrench. The bb spindle is integrated into the right crank arm, and the left arm slides onto splines at the end of the spindle. Unless something's peculiar about your crankset, no other tools necessary.

  5. #5
    don't try this at home. rm -rf's Avatar
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    Park Tool's repair pages have helped me with a lot of installs or repairs.

    On the External Bearing Cranks page, go about halfway down to:

    FSAŽ Mega eXo Crankset

    It's pretty easy. The threaded insert on the left crank is just used to set the preload, then the two pinch bolts hold the crank arm on the axle.

  6. #6
    Senior Member Joseph Vigue's Avatar
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    Thanks a lot guys time to order a new chain ring.
    2007 Bianchi Via Narone 105

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