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  1. #1
    RoadBikeReview Member
    Join Date
    Feb 2005

    Question 10 speed capatibility w/2003 Giant TCR 1 Composite

    Does anyone know if the new 10 Speed Ultegra is compatible with my 2003 Giant TCR 1 Composite frame. I'm thinking about purchasing a bike online with the 10 speed groupo on a different frame and then swapping the components.


  2. #2
    RoadBikeReview Member
    Join Date
    Feb 2004

    a frame is a frame...

    Newer road bike frames are pretty much the same. There are several possible minor problems. There may be a difference in the front derailleur mounting. There are braze-on types and three different clamp-on diameters.

    There are also two bottom bracket standards still in use. Most Italian frames are still using Italian threads (36mm x 24tpi), while the vast majority use English threaded BBs.

    Another possible difference is the headset. There are several integrated types and the conventional threadless type in use.
    Last edited by C-40; 07-25-2005 at 11:55 AM.

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