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.

Specifications
More predictable, linear braking curve
Clear contact feeling with better linearity
Less gap between each arms
Better clearance for wider tire
The best balance between rigidity, weight and stopping power
Comfortable riding with wider tire on rough road

Mfr Claimed Weight
150g (Front)
148g (Rear)