I can't access the correct diagnostic equipment to see what is wrong. Everything else works as it should. I have tried to show all damage in the photos. The item "Shimano Dura Ace 7970 Di2 Conversion Group Set damaged Rear Derailleur" is in sale since Tuesday, July 3, 2018. This item is in the category "Sporting Goods\Cycling\Bike Components & Parts\Derailleurs (Rear)".
The seller is "bobbym1981" and is located in Oxford. This item can be shipped to United Kingdom.