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