Provides quick shifting while riding in the aerobars
Utilizes Shimano synchronized shift program allowing each bar end shifter to be programmed to upshift or downshift the rear derailleur while the Di2 computer decides when to shift the front
Firmware updates available through Shimano's E-Tube project
Description
Shimano Dura-Ace R9160 Di2 TT Bar End Shifters 1-Button Design Syncro ShiftShimano Dura-Ace SW-9071 Di2 Remote TT Shifters