Shimano 105 Di2 ST-R7170 Shift Lever - Rear YGroup_race-face-narrow-wide-chainring-YG Keep your bike rockin' with

Keep your bike rockin' with Rock 'n' Roll

Weight - 349g (Women's)

or BR-M8120

the sock that gets it

Shimano 105 Di2 ST-R7170 Shift Lever - Rear YGroup_race-face-narrow-wide-chainring-YG Keep your bike rockin' withShimano 105 Di2 ST R7170 Shift Lever Rear The new SHIMANO 105 ST R7170 shift brake lever features Di2 electronic shifting for the first time, bringing precise, intuitive gear changes to even more riders. Reach adjustment and customized button functions allow you to dial in your ideal ergonomics. Features Clean cockpit: Wireless connection enhances the aesthetic of your bike while keeping shifting lightning fast Longer lasting. Uses two CR1632