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  1. #1
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    Minimalist Di2 groupset - will this work? Di2 expert needed!

    A busted right hand means left hand shifting is needed. Di2 is the only option. I've ridden SRAM for 15 years and haven't kept up to date with Shimano. Can anyone tell me if this will work or if I need more parts/wires/connections/junction boxes?

    SM-EW90-A junction box under stem
    SW-M8050 left hand shifter connected to SM-EW90-A junction box at stem with EW-SD50 wire
    BT-DN110 battery in steerer tube connected to SM-EW90-A junction box at stem with EW-SD50-I wire
    RD-M8050-GS rear derailleur connected to SM-EW90-A junction box at stem with EW-SD50-I wire
    SM-BCR1 battery charger and SM-BCC1 charger cord

    Will that setup still allow wireless configuration from an ipad with e-tube software?
    Will I be able to charge the system through SM-EW90-A junction box at the stem?
    Will I be able to put the system into adjustment mode at SM-EW90-A junction box at stem?

    I want to keep it as minimal as possible and don't want a display.

  2. #2
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    I got an answer from Shimano that the above would work except

    - need to add EW-WU111 or EW-WU101 for wireless capacity.
    - charger is SM-BCR2

  3. #3
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    Post up how it works out for you.
    Plan on a similar set up...well, with right hand shifting

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