The Shimano BR-RS811-R Direct Mount Rear Brake Caliper is designed to provide a perfect balance of rigidity, lightweight construction, and superior stopping power. Its efficient design ensures precise braking for demanding road cycling conditions.

Under Bottom Bracket Mount Design: Specifically engineered for under-bottom-bracket mounting, this caliper integrates seamlessly with the bike frame for a sleek and aerodynamic appearance. It offers an unobtrusive solution while maintaining exceptional braking performance.

Enhanced Compatibility with Modern Tires: The caliper is compatible with tires up to 28C, accommodating the wider tires commonly used for enhanced grip, comfort, and stability. This makes it an ideal choice for performance-oriented road cyclists.

Broad Rim Width Support: Designed to fit rims with a width range of 20.8 mm to 28 mm, the BR-RS811-R caliper ensures a secure fit and consistent performance across various wheel setups, making it versatile for different cycling needs.

The low-profile and integrated design not only enhances the aesthetic appeal of your bike but also ensures better aerodynamics.