Shimano ST-R7170 (L). BR-7170(F) Front Brake

Experience the revolution of Shimano 105 Di2. This ST-R7170 left dual-control lever brings precise, intuitive electronic shifting to more riders than ever. Its wireless connection creates a clean, modern cockpit while delivering lightning-fast performance. Enjoy superior comfort and control with ergonomics cascaded from the top-tier Dura-Ace series, featuring a raised hood peak and increased hand support. Personalize your setup with simple reach adjust and customizable button functions via the E-TUBE PROJECT app for a perfectly dialed-in feel