Hayes Mountain & Flat Bar Hydraulic Disc Brake Lever & Caliper Sets

shifting for the first time, bringing precise, intuitive gear changes to even more riders. Reach adjustment and customized button functions allow you to dial in your ideal ergonomics. The 105 BR-R7170 caliper ...

exceptional rider control with quick and intuitive shifting and hydraulic disc braking. Refined technology trickled down from Ultegra results in top tier performance at a great value.

has reached a new peak. The BR-R9270 caliper drops weight while also providing increased pad clearance, ensuring a quieter ride. Lastly, a revamped bleeding process makes maintenance easier than ever.

Lever Kit takes disc brake technology to the next level. Utilizing Servo Wave Action to provide outstanding modulation and control. With wireless 12-speed Di2 shifting, these levers push the envelope of bicycle ...

a low-profile, flat-mount design that brings simplicity and power to the GRX platform. The 2-piston, lightweight design boasts a great power-to-weight ratio, giving you all of the performance with none of the ...