The new lever ergonomics of the DURA-ACE ST-R9270 DUAL CONTROL shift/brake lever offers a new level of comfort and control for road cyclists. Thanks to the fastest wireless shifting performance and even more precise braking force regulation, the DURA-ACE sets new standards for performance. Now equipped with SERVO WAVE brake technology, the DURA-ACE ST-R9270 brake lever provides a level of modulation and control that is unparalleled. Wireless shifting ensures a clean look for the bike and allows for uniquely fast and precise shifting operations. All of this is integrated into a DUAL CONTROL shift/brake lever, which, through the use of advanced materials, is both lightweight and ergonomic, ensuring optimum comfort and control even under challenging conditions.