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  1. #1
    Newbie
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    Replacing Ultegra with FSA Compact Energy

    Hi,
    can I replace this:
    http://cycle.shimano-eu.com/catalog/...=1128460214137

    with this:
    http://www.fullspeedahead.com/fly.as...axid=21&pid=52

    Is this possible? I suppose I need to buy an Isis bottom bracket but which one?
    http://www.fullspeedahead.com/fly.as...axid=29&pid=73

    does everything else stay the same (apart from lowering the front derailleur)?

    Thanks for your help

  2. #2
    Senior Member sydney's Avatar
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    As I read it you need an isis 108 spindle BB to go with the FSA crank. Threading obviously has to match your frame threading.

  3. #3
    hang up your boots ostro's Avatar
    Join Date
    Aug 2004
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    84 Pinarello, Trek Liquid 30, Torker CX 24, Gromada Track
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    I have a similar question, i am looking at the Vigorelli cranks for my pursuit frame, it has a 36x24 70mm italian bb, I understand that i need ISIS 108 spindle BB, but will this fit into the bb?

    Can anyone shed some light, i have explored quite a bit and even read FSA tech articles, still mystery.

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