With a refined ergonomic shape and simple, single-button design, the SW-R9160 DI2 remote triathlon shifter provides quick shifting while riding in the aerobars. Equipped with Shimano Syncro Shift, each bar end shifter can be programmed to upshift or downshift the rear derailleur while the Di2 computer decides when to shift the front derailleur automatically, ensuring you always have the optimal front and rear gear combination.