The Shimano Dura-Ace Di2 9180 Disc Brake Kit offers precise and power braking at the highest speeds. It also is part of a seamless electronic shifting system for triathlon and time trial riders. This setup includes both levers and brakes along with all the screws and housing needed for setup. Designed for 2×11-speed systems, it features aerodynamic shift/brake levers with an improved grip for optimal power transfer and control. Integrated switches enable intuitive, customizable shifting without releasing your hands, while Shimano’s Synchronized Shift enhances efficiency. The calipers utilize a mono-body construction for reduced weight and increased stiffness, with 10 percent wider pad clearance to minimize rotor rub. This system is compatible with internal cable routing to keep a sleek and aero cockpit. The Shimano Dura-Ace Di2 Disc Brake Kit completes your aero bike setup with confident shifting and braking.