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. FEATURES: Exceptional balance of rigidity, weight and stopping power Maximum tire size is 28C 51mm reach SPECS: Brake Lever Actuation: Short Pull Super SLR Pad Type: Cartridge Brake Position: Set