1. Please could You let Me know what wire lengths did You use on a P2.I intend on using an External battery set up.Thanks

  2. I have Shimano Di2 Systems on two road bikes. dura ace 9070RD/FD Levers R785-r-l battery BTDN110 and controller SM-E90-A and the other Ultegra 6870 RD/FD levers 6770R-L Battery BT DN110 and controller SM EW90-A. I have the latest e-Tube software. I setup autoshift using e-Tube on a PC and semi auto as well but I can not figure out how to activate autoshifting or whether I am still missing something? I press the SM-E90A twice to activate? but that doesn’t seem to work. I have the latest firmware on both systems — can you let me know what I am doing wrong? 52/36 chain ring, standard setup for the shift pattern loaded in the software.

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