Shimano Dura-Ace R9270 Di2 12 Speed Shifter Set

Clean Cockpit: Wireless connection enhances the aesthetic of your bike while keeping shifting lightning fast with 1.5 to 2 years of battery life and easy-to-change CR1632 shifter batteries. Unparalleled ergonomics engineering refined with pros' feedbackRaised hood peak improves ergonomics, while a longer hood body increases hand support.