SHIFT SWITCH, SW-R9160, DURA-ACE Di2, BAR END SWITCHShimano Dura Ace Di2 SW R9160 Bar End Shift Switch Designed specifically for time trial and triathlon setups, the Shimano Dura Ace Di2 SW R9160 remote shift switch delivers fast, intuitive electronic shifting directly from the aerobars. With a refined ergonomic shape and a simple single button design, it allows confident gear changes without breaking your aero position. When paired with Shimano Di2 and SHIMANO SYNCHRONIZED SHIFT, each bar end shifter