Shimano Ultegra Front Derailleur 11s FD-R8000-FShimano Ultegra R8000 11 Speed Front Derailleur The Shimano Ultegra R8000 11 Speed Front Derailleur is to provide an ultra smooth shifting action that flawlessly moves your chain up and down whenever required. Passing down of Dura Ace 9100 technology to Ultegra R8000 11 speed drivetrains continues with the FD R8000 front derailleur. Shimano redesigned it to have a lighter shift action, increased frame and tire clearance, and to work better with chain