I managed to acquire a full Ultegra 6800 groupset from the rather unlikely ... than happy to see the old parts go to use. No, it's not Shimano's latest and greatest Di2 shifting, but it is ...
Below, we cover the features of Shimano's previous generation 11-speed groupsets, Dura-Ace Di2 R9150/9170, Dura-Ace R9100/9120, Ultegra Di2 R8050, Ultegra R8000 and 105 R7000.
Improved braking, new shifting options, and class leading gear range make it a real contender for the best gravel groupset ...