• Is there anywhere sensible to mount the 3 port Di2 junction box other than under the stem? (Obs still need to access charging point) It’s a fortune for the bar end one and I’m not convinced that’s a great place for electrics and expensive things.

  • I was going to get one of those handlebar end units but then realised that charging on the move during ultra races would be tricky with wires hanging over to the drop. So stuck with the stem mount. Using a K-edge Di2 mount puts it in basically the same place but it's slightly nicer than stem mount because the stem is free to put other stuff on and the K-edge mount will rotate when you pull the bike apart which makes it easier packing.

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