• My first foray in Di2 is going to be a 1x time trial build. I’m trying to figure out exactly what bits I need. Planning on:

    Dura ace one button per hand shifters so I can go up with the left, down with the right.

    Shimano Ultegra r8050 11 speed rear mech.

    Di2 EW90A 3 port junction box.

    Then I guess some cables and a charger.

    Is there anything I’m missing or any reason that combination of bits won’t work? Thanks!


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