Over the winter, I thought that I would experiment with a Shimano Ultegra/XT mash-up. The Shimano components include Ultegra ST-R8000 Shifters, Ultegra front derailleur, 11sp XT SGS rear derailleur, XT 11-40 CS-M8000 Cassette, DuraAce 11sp chain. Additionally, a WolfTooth Tanpan SH11 is in use...