Maybe it's just me, but those batteries on both derailleurs look worse than a few cockpit wires and junction box going into the frame..
although there is no need for cockpit wires and a junction box sticking out:
Your vision is always skewed towards Shimano. You have to look ahead. I'm curious to see what innovation this will lead to. Certainly opens the door to a more thorough integration between frame and derailleurs.
@Carabo started
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Maybe it's just me, but those batteries on both derailleurs look worse than a few cockpit wires and junction box going into the frame..
although there is no need for cockpit wires and a junction box sticking out: