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With a refined ergonomic shape and a simple single-button design, the SW-R9160 DI2 Triathlon Remote Shifter provides fast shifting when used with aero handlebars.
Using the Shimano SYNCHRONIZED SHIFT program, the handlebar-end shifters can be programmed to shift up or down one gear on the rear derailleur, while the DI2 computer determines when to shift the front derailleur to achieve the optimal front-rear gear combination.
Easy to press the switch with your thumb while gripping the top of the TT extension