Shimano 105 Di2 12-Speed Groupset R7170

The Shimano 105 Di2 brings cutting-edge electronic shifting to a wider audience, delivering precision, reliability, and seamless integration. Its hybrid design combines a wireless cockpit with a single, seatpost-mounted battery connected to both derailleurs, ensuring consistent performance in all conditions.

Customizable through the Shimano E-TUBE PROJECT Cyclist App, you can fine-tune shift speed, configure shift modes like Synchronized and Semi-Synchro, and integrate with third-party devices like Garmin or Wahoo for real-time gear and battery updates.

With advanced ergonomics informed by professional rider feedback, the dual-control levers enhance comfort and control, while the updated braking system offers smoother action and quieter operation. The 12-speed cassette, featuring optimized gear ranges, ensures effortless climbs and refined cadence control for every terrain. Shimano 105 Di2 redefines value, offering premium technology at an accessible level​.