Shimano Dura-Ace BR-R9110 Caliper Brake The all new Shimano Dura-Ace BR-R9110 Caliper Brake comes at you with a sleek new look and a host of other new features like improved stopping power. It offers a more predictable, linear braking curve and a clear contact feeling with better linearity. Another of these new added features is the compatibility with 28c tire sizes, which comes at a perfect time when the industry is leaning towards the use of wider rims and larger tires. Features Increased overall braking performance Integrated sleek low-profile caliper design Compatible with 28C tire size Intuitive braking control Smooth and light operation Weight: 155g (BR-R9110-F, pc), 133g (BR-R9110-R, pc), 152g (BR-R9110-RS, pc) | Shimano Dura-Ace BR-R9110 Dm Brake Front, Direct Mount