External bearing BB compatibility?
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  1. #1
    RoadBikeReview Member
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    External bearing BB compatibility?

    Are the Shimano, FSA, and possibly other external bearing bottom bracket cups all interchangable? I think the Truvativ stuff is different, but can my FSA Gossamer cranks be placed in a set of Shimano (105 / Ultegra / XTR) bearings? As long as I make sure I get the right threads for my frame (English, not Italian), I should be fine, right?

    Thanks, folks.

  2. #2

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    I just copied the following from a description of a Hope BB so I'd assume you're correct.

    'All common systems are covered with this upgrade unit - making it ideal for Shimano, Race Face, FSA and others.'

    Not sure about Campag, I'd be interested to know myself.

  3. #3
    PSC
    PSC is offline
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    I use a Dura Ace Ext BB with my Gossamer crank and I have experinced no problems in 500+ miles. I like Shimano better than FSA, as I think Shimano uses better bearings.

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