Shimano BR-R9100 Dura-Ace Rear Caliper Brake — Precision and Performance for the Ultimate Ride
The Shimano BR-R9100 rear caliper brake is the embodiment of cutting-edge engineering within Shimano’s prestigious Dura-Ace series, designed to deliver supreme braking power and control for professional racers and serious cyclists. This caliper brake combines lightweight construction with exceptional mechanical precision, enabling riders to perform at their peak with confidence and accuracy.
Featuring the renowned dual-pivot CS-51 design, the BR-R9100 offers enhanced leverage and responsiveness, translating rider input into smooth, reliable braking force. This design improves caliper rigidity and pad contact consistency, resulting in superior modulation and stopping power even under the most demanding conditions. It also ensures uniform pad wear, optimizing component lifespan and performance stability.
The caliper employs a 10.5mm sunken nut mounting system, with precision engineering that guarantees secure attachment and perfect alignment on compatible road bike frames. This versatile mounting system supports a clean, aerodynamic profile, preserving the sleek aesthetics critical to high-performance road cycling.
Shimano’s premium R55C4 brake pads included with the caliper deliver exceptional friction and quiet operation across a range of weather conditions. Engineered for durability and smooth engagement, these pads maintain braking performance whether on dry tarmac or in light rain, minimizing fade on long descents or extended rides.
A polished finish highlights the sophisticated design and craftsmanship of the BR-R9100, making it not only a functional upgrade but a stylish enhancement to any road bike build. This caliper brake arrives individually packaged for ease of installation and professional presentation.
In summary, the Shimano BR-R9100 Dura-Ace rear caliper brake sets the standard for precision braking performance, combining lightweight design, advanced engineering, and reliable stopping power. It is the ultimate choice for cyclists who demand excellence and control in every aspect of their ride.

