system, the Shimano Ultegra Di2 R8170 Hydraulic Disc Brake/Shift Lever Kit brings new shifter ergonomics to Di2 along with wireless electronic shifting. Coupled with Servo-Wave brake lever action and Shimano's simple bleeding ...

installation, and durability you can rely on. Whether you're replacing a broken shifter, doing a drop bar conversion, or building from scratch, these well-constructed shifters will do the trick.

features a revised lever shape for increased ergonomics and an all-around better fit across a wide range of hand sizes. Any cyclist will appreciate the 12-speed mechanical shifting with quick and intuitive ...

12-speed mechanical shifting is here for gravel – no need to charge those pesky electronic batteries with tried-and-true cable actuation. Configure your dream drivetrain with 1x, 2x, and dropper post remote options. ...

system, Shimano Ultegra Di2 ST-R8170 Hydraulic Shift/Brake Levers bring new shifter ergonomics to Di2 along with wireless electronic shifting. Coupled with Servo-Wave brake lever action and Shimano's simple bleeding process – you ...