Shimano Ultegra BR-R8110-RS Road Caliper Brake - Rear Seat Stay Mount Black. The Shimano Ultegra BR-R8100 series caliper brakes offer a clear contact feeling while balancing rigidity weight and stopping power. With clearance for 28mm tires the design is still sleek. They are available in traditional and direct mount options.

Exceptional balance of rigidity weight and stopping power

Maximum tire size is 28C