Shimano ST-R8170(R),BR-R8170(R) Rear Disc Brake Kit

Shimano ST-R8170(R),BR-R8170(R) Rear Disc Brake Kit

Highway driving has never been so much fun. And the redesigned ULTEGRA ST-R8170 DUAL CONTROL LEVERS have totally new ergonomics, even more precise brake modulation and wireless electronic shifting. This trifecta allows you to focus on the next sprint, the next descent, or your partner's next joke.

Shimano's new ULTEGRA ST-R8170 brake levers deliver improved modulation and control on every ride thanks to Shimano's proven SERVO WAVE technology. The new Di2 platform, used on both DURA-ACE and ULTEGRA, frees up shifting while offering our fastest, most reliable wireless shifting. Your time on the bike is precious, let Shimano make it even better.

To the delight of riders and mechanics, the new ULTEGRA BR-R8170 caliper offers improved modulation, a quieter braking system, and an easier-than-ever bleeding process.

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. Despite its smaller build, the system is quieter than ever and easier to maintain.