Shimano 105 Di2 ST-R7170 Shift/Brake Lever | 2-speed | Left | Front

Shimano 105 Di2 ST-R7170 – electronic STI brake and shifting lever

Shimano 105 Di2 ST-R7170 brings electronic Di2 shifting to a wider range of riders, delivering fast, precise and intuitive performance. Inspired by DURA-ACE and ULTEGRA technologies, this control lever features ergonomic design, a clean cockpit setup and excellent control during long rides.

Key features:

• Di2 electronic shifting: precise and fast performance with every gear change
• Wireless cockpit design: fewer wires and a cleaner bike appearance
• Minimalist and aerodynamic solution: cleaner and more modern cockpit setup
• Ergonomics inspired by DURA-ACE: comfortable and natural hand feel
• Improved hood shape: better hand support during long rides
• Raised hood peak: enhances control and ergonomics
• Longer hood body: increased stability in different hand positions
• Reach Adjust adjustment: easy customization of brake lever position
• E-TUBE app compatibility: customizable button functions based on rider preference
• Long battery life: CR1632 batteries last approximately 3.5–4 years
• Smooth long-distance performance: reduced fatigue and improved control
• Hydraulic Disc Brake compatibility: optimized for hydraulic disc brake systems
• Performance-level component: advanced Shimano technology for a wider range of riders
• Designed according to the “The Science of Speed” philosophy: focused on speed, control and efficiency