The Shimano 105 Di2 ST-R7170 brings electronic shifting to the 105 lineup, delivering smooth, precise gear changes at the touch of a button. With a compact, refined lever body and improved ergonomics, it offers all-day comfort and confident control whether you’re climbing, sprinting, or cruising. The wireless Di2 setup reduces cockpit clutter while maintaining a clean, reliable connection for fast performance. Integrated with hydraulic disc braking, the ST-R7170 ensures powerful, consistent stopping power in all conditions.

Key Features

• Wireless Di2 shifting for clean setup and reliable performance

• Ergonomic lever design for comfort and control on long rides

• Seamless integration with hydraulic disc brakes for confident stopping

• Precise, effortless shifting at the touch of a button

• Designed as part of the Shimano 105 Di2 R7100 series