Finely crafted, the Shimano Dura Ace ST-R9250 DI2 Rim Brake Shifters excel in performance, offering precise 12-speed shifting, refined ergonomics, and remarkable lightness. Wired connectivity ensures reliability, combined with the featherweight design of rim brakes. Enjoy quick and intuitive shifting, a distinct click feel with ergonomic shift levers, improved bike control, and heightened confidence in race conditions. The hood shape and texture are thoughtfully designed for optimal grip and brake power transmission, featuring CFRP (Carbon Fiber Reinforced Plastics) for both lever and bracket.