![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. : 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. :](https://i.redd.it/7ia2h0xbdh441.jpg)
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. :
![Manual Shimano Ultegra 6800 | Silicone Bicycle Shifter | Cover Brake Shimano 105 - Pair - Aliexpress Manual Shimano Ultegra 6800 | Silicone Bicycle Shifter | Cover Brake Shimano 105 - Pair - Aliexpress](https://ae01.alicdn.com/kf/Hd7fefcf4f3ca41e1aab98a8cd6e7d63eK.jpg_640x640Q90.jpg_.webp)
Manual Shimano Ultegra 6800 | Silicone Bicycle Shifter | Cover Brake Shimano 105 - Pair - Aliexpress
![Really struggling to adjust Di2 Ultegra 6870 front mech, even though I've followed the manual to the letter : r/bikewrench Really struggling to adjust Di2 Ultegra 6870 front mech, even though I've followed the manual to the letter : r/bikewrench](https://i.redd.it/really-struggling-to-adjust-di2-ultegra-6870-front-mech-v0-b3f5de5ff5o81.jpg?width=3000&format=pjpg&auto=webp&s=e816bd2e3c8eb0c2be1a9b720ca42fdd0740f33c)
Really struggling to adjust Di2 Ultegra 6870 front mech, even though I've followed the manual to the letter : r/bikewrench
![Really struggling to adjust Di2 Ultegra 6870 front mech, even though I've followed the manual to the letter : r/bikewrench Really struggling to adjust Di2 Ultegra 6870 front mech, even though I've followed the manual to the letter : r/bikewrench](https://i.redd.it/really-struggling-to-adjust-di2-ultegra-6870-front-mech-v0-xio3r8pff5o81.jpg?width=3000&format=pjpg&auto=webp&s=fe3ff442b77ebda874f04385f85db5a9e48fc6b7)
Really struggling to adjust Di2 Ultegra 6870 front mech, even though I've followed the manual to the letter : r/bikewrench
![Shimano Dura Ace Di2 Cable | Shimano Dura Ace Di2 9070 | Shimano Ultegra Di2 8050 - New - Aliexpress Shimano Dura Ace Di2 Cable | Shimano Dura Ace Di2 9070 | Shimano Ultegra Di2 8050 - New - Aliexpress](https://ae01.alicdn.com/kf/Hdcd6c8704b944d9baa7a702c5f54dbe9p.jpg?width=900&height=900&hash=1800)