Shimano Dura Ace Brake Caliper BR-R9110 Direct Mount Rear

When aerodynamic efficiency is as important as braking power, look no further than the Dura-Ace BR-9110. Combining the new symmetrical Dual Pivot mechanism with a direct-mount design to fit the latest aero road and TT bikes, BR-9110 has the power and controllability that you expect from Dura-Ace. Features Direct mount for Aero frame applications. Cartridge shoe holder: R55C4. Real weight: 154 g (Front), 142 g (Rear), 152 g (Rear Seatpost).