Shimano 105 ST-R7170-RE Di2 Shift/Brake Lever - Right 12-Speed Black Cascade 3-layer waterproof workhouse that will

3-layer waterproof workhouse that will keep you cranking comfortably in any condition

Stretchwoven panel at upper-back for breathability and freedom of movement

whether you're climbing in the gym

Alloy radiator cooling fins increase pad life and reduce brake fade

The lens is interchangeable

Shimano 105 ST-R7170-RE Di2 Shift/Brake Lever - Right 12-Speed Black Cascade 3-layer waterproof workhouse that willThe 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 TUBE app Raised hood peak improves ergonomics, while a