After an ultegra or dura ace shift upgrade kit for rim brakes. Open to 11 or 12 speed, 8050/9150 onwards (No 6870 stuff, sorry!)
Ideally in Europe, but lets talk.
Parts needed:
Shifters, derailleurs, battery, wires, junctions.
What's out there?
WTB: Di2 shifting upgrade kit
Moderator: Moderator Team
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