Shimano 105 ST-R7170-L Di2 Shift/Brake Lever - Left 2x Black CheckoutSpec= 39.8mm ID for 1.5 Headsets Tip Size #1 Tip Size

Tip Size #1 Tip Size #2 Tip Size 3

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Shimano 105 ST-R7170-L Di2 Shift/Brake Lever - Left 2x Black CheckoutSpec= 39.8mm ID for 1.5 Headsets Tip Size #1 Tip SizeShimano 105 ST R7170 L Di2 Shift Brake Lever Left 2x Black. The Shimano 105 ST R7170 Di2 Shift Brake lever features Di2 electronic shifting for precise intuitive gear changes to even more riders. Reach adjustment and customized button functions allow you to dial in your ideal ergonomics Creates a clean cockpit with wireless connection and enhances the aesthetic of your bike while keeping shifting lightning fast Easily change button function with the E