• Putting a di2 bike (R8170) into storage for ~7 months. Do I need to disconnect the battery (which means a lot of fishing in the seat tube) or will disconnecting the rear mech do the trick? Any tips on not killing the battery appreciated...

  • I don't do anything to mine. I just leave the bastards gathering dust. Can't tell you if it's harmful or not but I've not yet replaced a battery.

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