The ST9001 Shift/Brake Levers from the DURA ACE 9000 series offer a combination of concentration, control, and reliability. With intelligent, fast, and precise performance, riders can rely on flawless shifting operations. The carbon brake lever and polymer-coated cables provide faster, smoother shifts and better braking control.

Features:

• Dual Control (STI): An innovative shifting system that combines both brake and shift functions into a single component, delivering enhanced control and efficiency.
• Integrated Reach Adjustment: Allows for tool-free customization of lever reach.
• Carbon Brake Lever: Provides a lightweight, stiff, and durable design.
• Brake Compatibility: Compatible with SLR-EV and mechanical disc brakes (Road).
• Mounting: Designed for handlebars with an external diameter of 23.8 - 24.2 mm.