Ultegra Di2 RD6780. Can anyone confirm the purpose of this spring and tensioner screw? The dealer manual doesn't acknowledge its existence and I've always wondered what the proper adjustment protocol is. :
SHIMANO ULTEGRA Di2 Front Derailleur 2x12-speed | SHIMANO BIKE-EU
How to – MTB Shifters & Derailleurs:... | bike-components
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