ULTEGRA ST-R8170 Ergonomic Dual Control Lever brings new levels of comfort and control to road cycling. With the fastest wireless switching on the market.
The Di2 platform, used in both the DURA-ACE and ULTEGRA, frees up shifting while offering faster, more reliable 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 faster initial braking point.
With improved modulation, a quieter brake system and an easier than ever bleeding process.