As a touch point, your shifters are an important connection between rider and machine. With shift effort decreased by 20%, dual-textured carbon levers, improved vivid index mechanism, and a more ergonomic release lever, M9000 offers the most responsive mechanical shifting in the industry.
20% lower shift effort
Improved Vivid index mechanism
Longer carbon, textured levers
Ball bearing construction
Multi / Instant and 2-Way release
I-spec II offers more room on bar and rotation and side adjustability