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  1. #1
    RoadBikeReview Member
    Join Date
    Dec 2013

    Internal Seatpost Mount- Di2

    I have a 2015 Felt AR1 and it was originally built up with Sram Red, but i am converting to Ultegra Di2. This setup requires an internal seatpost mount for the battery. Does anyone know or can link me to a picture of what the internal seatpost mount for the Di2 looks like?

    My LBS said i should have it, because it came with the bike. But i cant seem to find it, or actually i am not sure what i am even looking for.

    any help would be appreciated!

  2. #2
    RoadBikeReview Member
    Join Date
    Jul 2014
    Check out the owners manual:

    Starting at page 10 it shows the seat post assembly, the little fork thing is the battery mount.

  3. #3
    RoadBikeReview Member
    Reputation: SilverStar07's Avatar
    Join Date
    May 2011
    Also if you order Felt part# 911024 it will come with a battery mount. That is the kit to convert a mechanical AR Frame to electronic. Well you really don't need the kit but it has all the little frame plugs that cover the entry/exit holes for the shift cables that are no longer needed.

    My quest for 140.6 and passion for all things cycling

    2015 Felt AR3 upgraded to Ultegra 6870 Di2
    2011 Specialized Secteur Elite Apex -Just about how I want it
    2005 Iron Horse MK3 Expert - many years of trail duty and still my go to Mt. Bike.

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