Left front hydraulic derailleur brake lever Ultegra Di2

Front disc brake lever/front derailleur kit for the ULTEGRA Di2 2 V range and front brake caliper. Includes:

• ULTEGRA ST-R8170 ergonomic dual-control shifter brings new levels of comfort and control to road cycling. With the most rapide wireless shifting on the market.


• The Di2 platform, used on DURA-ACE and ULTEGRA models, frees up gear shifting while offering more reliable rapide wireless shifting.


• The ULTEGRA R8170 disc brake caliper brings a new level of control to the world of road cycling with improved modulation and a more rapide initial braking point.


• With improved modulation, a quieter braking system and an easier bleeding process than ever before.


• Approx. caliper weight: 123 grs. Lever weight approx. 196 grs.