Ultegra ST-R8170/BR-R8170 Di2 Disc Brake/Lever Set Location:Front Internal cable routing

Internal cable routing

7050 aluminum for light weight and durability

They are designed based on outdated road bike sizing rendering many of cycling intended hand positions unattainable when riding modern frame geometry

flexible and agile

but also serves as a handle for its 15 tools

Ultegra ST-R8170/BR-R8170 Di2 Disc Brake/Lever Set Location:Front Internal cable routingYour time on the bike is precious, let Shimano make it even better. Ultegra ST R8170 brake levers bring enhanced modulation and control to every ride by employing Shimano's proven SERVO WAVE technology. The Di2 platform untethers the shifters while delivering fast and reliable wireless shifting. BR R8170 disc brake caliper brings a new level of control to the road cycling world with improved modulation and a quicker initial braking point. Despite its