Shimano 105 Di2 ST-R7170-L 12v Control Lever – Left

SHIMANO’s new 105 shift/brake lever features Di2 electronic shifting for the first time to offer precise and intuitive gear changes to a wider audience of cyclists. Travel adjustment and customized button functions allow for personalized ergonomics.

• Clean cockpit: wireless connection enhances the bike’s aesthetics and ensures lightning-fast shifting.
• Longer life. Uses two CR1632 batteries (battery life: 3.5 to 4 years).
• Compactness and ergonomic performance inherited from DURA-ACE.
• The raised hand guard improves ergonomics, and the extended hand guard body increases hand support.
• Make DURA-ACE more yours with customizable button functions and adjustable ergonomics.
• Easily change button functions with the E-TUBE app.
• Find your optimal lever position with simple travel adjustment.
• Gear ratios: Front: 2-v