SHIMANO ULTEGRA R8170 Shifter Shift Hydraulic Disc Brake Lever 2*12S crankset crank Our fastest ever front shifting

Our fastest ever front shifting

5mm/ 175mm  50-34T/52-36T

giving it a luxurious look

Hangerless Interface

personalization

SHIMANO ULTEGRA R8170 Shifter Shift Hydraulic Disc Brake Lever 2*12S crankset crank Our fastest ever front shiftingThe shift brake levers ST R8170 are operated by a button cell CR1632, which lasts at least 1. 5 years and can be replaced by yourself. They communicate using a wireless protocol with the rear derailleur, which in turn is wired to the battery and indirectly to the front derailleur. Not only do you benefit from lightning fast switching operations and a tidy cockpit, installation is also much easier without cables. Alternatively, you can also use the