Shimano Ultegra Di2 6770 rear derailleur: restore service clean disassembled
First attempt disassembling a Shimano electric derailleur. This is a Ultegra 6770 model. Not my cup of tea electric derailleurs.

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![Shimano Derailleur SERVICE: CLUTCH Tune-Up [XTR/XT/SLX/Deore10-12 Speed 2025]](https://i.ytimg.com/vi/Ztf38cO2Ej4/hqdefault.jpg?sqp=-oaymwEjCNACELwBSFryq4qpAxUIARUAAAAAGAElAADIQj0AgKJDeAE=&rs=AOn4CLCbW7vSRN8pPj7HdxEjYEIcYUq5rA)
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Shimano Derailleur SERVICE: CLUTCH Tune-Up [XTR/XT/SLX/Deore10-12 Speed 2025]

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God Says:"AN URGENT CALL — OPEN QUICKLY TO HEAR WHAT I HAVE TO SAY."/God Message Now/God Message

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