Shimano 105 ST-R7170-RE Di2 Shift/Brake Lever - Right 12-Speed Black Cascade but 10 liters less volume

but 10 liters less volume

The lens is interchangeable

from bouldering sessions to commutes on two wheels

while the 303 and 453 models do

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

Shimano 105 ST-R7170-RE Di2 Shift/Brake Lever - Right 12-Speed Black Cascade but 10 liters less volumeThe 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