The Shimano 105 ST-R7170 Di2 Shift/Brake Lever with BR-R7170 Caliper brings advanced electronic shifting to more riders than ever before. With precise and intuitive gear changes, this setup lets you ride smoother and more efficiently. The wireless system keeps your cockpit clean, while the long-lasting CR1632 batteries deliver up to four years of use. Whether you’re climbing, sprinting, or cruising, youll enjoy fast and reliable shifting at your fingertips.

Built with comfort and performance in mind, the 105 ST-R7170 features raised hood peaks and a longer hood body for better hand support. You can easily customize button functions and fine-tune lever reach using the Shimano E-TUBE app, making this setup truly your own. The included BR-R7170 brake caliper uses Shimanos low-profile Flat Mount system and adds 10% more pad clearance to reduce rotor rub. With an easy one-way bleed process, this brake and shift combo is simple to maintain and built for performance.

Key Features:

• Wireless Di2 Shifting – Clean cockpit and lightning-fast gear changes with a wireless setup.

• Custom Ergonomics – Adjustable lever reach and programmable buttons via the E-TUBE app.

• Flat Mount Caliper – 10% wider pad clearance and easy maintenance with one-way bleeding.