Shimano Dura-Ace R9160 Di2 TT Bar End Shifters 1-Button Design Syncro Shift compatible Description-1x Dropper Remote Collarbone protection edges

Collarbone protection edges

Redesigned rim shape has been optimised for improved crosswind stability and aerodynamic drag

The NiteRider Sentry Aero 260 keeps guard both night and day with an aerodynamic shape that gives cyclists 260 degrees of visibility with a matching 260 lumens of light output featuring Optimal VIZ Daylight Visible Flash (DVF) technology

One upward pull on the Hypalon tab or shock cord opens or closes the bag respectively while the internal stiffener aids easy access and helps the durable and waterproof VX21 outer hold its shape

Shimano Dura-Ace R9160 Di2 TT Bar End Shifters 1-Button Design Syncro Shift compatible Description-1x Dropper Remote Collarbone protection edgesShimano's Dura Ace SW R9160 TT bar end shifters feature a refined ergonomic shape and simple single button design. 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 derailleur for the optimal front and rear gear combination Firmware updates available through