With SHIMANO’s SLR-EV dual symmetric pivot design, the short-arm DURA-ACE R9100 series caliper brakes employ twin bearings and a roller to realize greater efficiency and deliver superior modulation and stopping power. They are offered in traditional and direct mount options.
Surface Finish: anodized
Compatible Pads: R55C4 (standard; R55C4 carbon, R55C4-A, R55CT4 optionally)
Brake Arm Length: 51 mm
Brake Actuation: cable actuated
Tyre Size (max.): 28 mm (28C)
Rim Width (max.): 20.8 – 28 mm