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  1. #1
    RoadBikeReview Member
    Reputation: Srode's Avatar
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    Di2 Bar End Shifters not working

    I added 9160 Bar end shifters to my 5 port A Junction box on a system with 785 disc brake levers, BTR2 Battery with 6870 front and rear DR. Nothing happens when I click either of the bar end shifts - thought this would be plug and play but apparently not. From the Shimano compatibility tables it looks like these should work - do I need to do some programming or firmware updates to get them working?
    Gravel Rocks

    Trek Domane
    Niner RLT9 (Gravel Bike)
    Trek Crockett

  2. #2
    RoadBikeReview Member
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    I don't know for sure because I've never installed these, but my guess is the system either needs a firmware update, or at least needs to be refreshed in order to "look for" the presence of the bar-end shifters.

    In either case I think the clear next step is to launch e-tube and see what it tells you.

    I know whenever I launch e-tube it ASKS ME if I have the climbing shifters installed (as if it can't see that on its own, but needs to be told).

  3. #3
    'brifter' is a lame word.
    Reputation: cxwrench's Avatar
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    13,449
    Ours always asks if the R and then L sprint shifter is installed.
    I work for some bike racers
    I've got some bikes, some guns,
    and a bunch of skateboards

  4. #4
    RoadBikeReview Member
    Reputation: Srode's Avatar
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    Thanks, E-tube fixed it. The software recognized the 9160 shifters after the battery firmware was updated, no questions asked. Then I updated all the component firmware and it was good to go.

    It might not have asked about the sprint shifters or climbing shifter because the 785 brake levers don't have a port to use them with and/or they aren't compatible with the battery.
    Gravel Rocks

    Trek Domane
    Niner RLT9 (Gravel Bike)
    Trek Crockett

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