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 power
• Sleek and integrated low-profile caliper design
• Compatible with 20.8 - 28mm wide rims and up to 28C sized tires
• Includes R55C4 cartridge type pads
• Requires inline cable adjuster (SM-CB90) for cable adjusting and quick release feature (sold separately)
• Sleek and integrated low-profile caliper design
• 51mm reach