The Shimano 105 Di2 STR7170+BRR7170 rear disc brake set consisting of brake lever + disc brake offers you the best that is currently available on the market. In every detail you can see the years of experience of the Japanese. Regardless of functionality, durability or weight, top values are achieved everywhere.

The new lever ergonomics of the 105 Di2 STR7170+BRR7170 DUAL CONTROL shift/brake levers offer a new level of comfort and control for road cyclists. Thanks to our fastest wireless shifting performance and an even more precise braking force regulation, the new 105 Di2 sets unprecedented standards.

Thanks to the brand new design, our 105 BRR7170 hydraulic brake caliper is more compact than ever. The mono-body design ensures low weight and high rigidity, proving that high performance is possible even with compact dimensions.

Data shift/brake lever:
- tidy cockpit, aesthetic look thanks to wireless connection
- wireless shifting, precise and fast (rear derailleur / front derailleur with wiring)
- CR1632 battery, easy to replace with a flathead screwdriver, 1.5 to 2 years runtime
- unique ergonomics thanks to feedback from professional riders
- light weight
- Assembly: clamp (closed)
- Reach adjustment: screw
- Adjustment options: Reach adjustment, pressure point adjustment

Data caliper:
- one-piece construction for maximum rigidity and lower weight
- Braking performance optimally tuned for racing
- Harmonious look and easy access to tools thanks to Flat Mount
- Mounting: flat mount
- Brake pad: Resin with cooling fins
- Construction: mono body

(Translated with Google Translate)