The Shimano Dura-Ace ST-R9270-R is the right-side dual control lever for 12-speed road bikes equipped with Shimano Di2 electronic shifting and hydraulic disc brakes. It suits competitive road cyclists who prioritize clean cockpit setups and reliable control during fast group rides or races. Wireless Di2 connectivity pairs with compatible 12-speed derailleurs like the R9250 series, enabling quick shifts under load without cables cluttering the handlebar. The Servo Wave brake lever provides fast initial pad contact followed by progressive power for better modulation on descents, reducing hand fatigue over long rides.

This shifter works with Shimano BR-R9270 calipers (sold separately) on flat mount frames and supports satellite shifters for extra buttons on extensions. Raised hoods and extended body offer better hand support based on pro rider input, with reach adjustment for smaller hands or varied grip positions. Customize buttons and sync via E-TUBE app. Uses user-replaceable CR1632 batteries lasting 1.5-2 years. Carbon fiber brake lever and titanium hardware keep weight down while maintaining strength for daily training or racing.