Shimano Dura-Ace BR-R9110-F Caliper

Long, fast descents demand confidence. Dura-Ace brakes deliver, with a new symmetrical dual pivot design and twin bearings reducing pivot friction. Direct Mount - Aero Brakes. 

Integrated sleek low-profile caliper design
Comfortable riding with wider tire on rough road
Compatible with 28C tire size
Better clearance with wider tire
Intuitive braking control
Smooth and light operation
SLR-EV technology
Increased overall braking performance