Shimano Ultegra BR-RS811-R Road Caliper Brake - Rear Under Bottom Bracket Direct Mount BLK

The Shimano BR-RS811-R under bottom bracket mount road brake caliper provides an exceptional balance of rigidity weight and stopping power. Features a sleek and integrated low-profile design that is compatible with 20.8 - 28mm wide rims and up to 28C sized tires.Exceptional balance of rigidity weight and stopping powerSleek and integrated low-profile caliper designCompatible with 20.8 - 28mm wide rims and up to 28C sized tiresIncludes R55C4 cartridge type padsRequires inline cable adjuster (SM-CB90) for cable adjusting and quick release feature (sold separately)