Shimano EW-RS910 Di2 Junction A Bar End Plug 2 Port Bike-Hydration-Bottles & Cages-Cages The wrap-around eye shield offers

The wrap-around eye shield offers an unblocked field of view with a huge aerodynamic benefit and the shield is made by ZEISS Optics for unrivaled clarity

For rapid CO2 inflation

For cyclists

one inch base fits wrench or bench vise

Shimano EW-RS910 Di2 Junction A Bar End Plug 2 Port Bike-Hydration-Bottles & Cages-Cages The wrap-around eye shield offersShimano's "A junctions" such as the EWRS910 are used to connect E tube cables coming from Di2 shifters to the down tube E tube wiring. Shimano's Di2 electrical drivetrain system eliminates poor shifting caused by dirt, corrosion and stretching while providing effortless, reliable, shifting. For either specific frame mount or handlebar end plug mount 2 port design Battery level indicator feature Additional charging point when using internal battery