Shimano Ultegra BR-R8100 Brake Caliper Model:Rear Comfort: The key to a

Comfort: The key to a comfortable shoe is all in its construction—balanced stiffness paired with micro adjustable

Screw & Expand (3mm)

Silicone printed gripper on inside of cuffs

Features a semi-spidered construction for a maximum stiffness to weight ratio

The interchangeable spindle option of the Cinch system allows you to use the same crankset with 68/73mm and 83mm frames

Shimano Ultegra BR-R8100 Brake Caliper Model:Rear Comfort: The key to aSHIMANO ULTEGRA Dual Pivot Brake Caliper SLR EV Rim Brake The SHIMANO ULTEGRA R8100 series caliper brakes offer a clear contact feeling while balancing rigidity, weight, and stopping power. With increased clearance for 28mm tires, the sleek design is still fetching. They are available in traditional and direct mount options. Exceptional balance of rigidity, weight and stopping power Maximum tire size: 28C