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  • Di2 internal battery and d shaped seatpost
  • naffa
    Free Member

    Looking to upgrade ti ultegra di2 on my giant defy 1. The Defy has a d shaped seat post and seat tube. Does anyone know if the internal battery will fit ok?
    It’s a fair wedge of cash to splash to find it won’t fit.

    Ta, Naffa

    Posted 7 years ago
    dirtyrider
    Free Member

    Fits fine – giant do a di2 doofer for the posts but it’s a bit shit so I bound mine in gaffer tape and forced it into the seatpost

    https://www.giant-bicycles.com/gb/giant-internal-battery-holder-set-for-di2-black

    Posted 7 years ago
    Blazin-saddles
    Full Member

    as aove. no bother.

    Posted 7 years ago
    eshershore
    Free Member

    we build plenty of Defy with Di2, I have a bucket full of the seat post battery adapters.

    Posted 7 years ago
    naffa
    Free Member

    Thanks for all the answers

    Posted 7 years ago
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