Shimano Dual Control Dura-Ace Di2 ST-R9170 2x11-Speed Left

With a compact overall shape, the DURA-ACE R9150 levers bring both SHIMANO's praised hydraulic disc brake technology and the category-leading DI2 electronic shifting in a package ready for the most demanding of race situations. An updated button feel and layout ensure precise shifting while enhanced ergonomics guarantee comfort, allowing you to concentrate on the effort at hand.

FEATURES

• More control and confidence in race condition
• Optimally balanced hydraulic brake system for racing - Dedicated brake lever shape, stroke, contact point, stiffness and dedicated shift paddles
• Lightweight - Carbon composite plastic material of hood
• More intuitive, quicker shifting operation
• More defined click feeling and ergonomic shift lever position
• Customizable function to fit any riding style
• Each switch has the option for multi-shift ON or OFF - E-TUBE PROJECT
• Optimum power transmitted with firm grip
• Ideal ergonomic cover shape with better thickness & tenderness