Shimano Di2 ST-R9170 Dura-Ace 11v Road Lever, equipped with a compact shape, the Dura-Ace R9150 levers offer the appreciated hydraulic disc brake technology and the electronic gearbox of2 leader of the Shimano category in a single package ready for the conditions more difficult running. An improved button in terms of touched sensation and structure offers a precise change and guaranteed comfort by allowing the cyclist to fully focus on the activity that he is carrying out.

• Greater control and safety during the race.
• Hydraulic braking system perfectly balanced for the race.
• Form of the brake lever, excursion, point of contact, rigidity and dedicated gear levers.
• Lightness.
• Plastic hood material in composite carbon.
• Quick and more intuitive change.
• More precise shots and ergonomic position of the gearbox command.
• Customizable function based on any type of ride.
• All switches are equipped with the activation or deactivation option of the function of
• Multiple change.
• E-tube project.
• Optimal power transfer thanks to a firm socket.
• Ergonomic shape of the cover with greater thickness and softness.