Shimano Dura Ace Di2 Hydro ST-R9170 Shift and Brake Lever Width_25mm This is good for health

This is good for health as well as for rims and spokes

3D shaped seamless Contour chamois for optimized aerodynamic position

DT Swiss has also equipped this trail-ready model with stunning Waterslide decals

Extra-adhesive rubber noses and temples provide a secure fit no matter how sweaty you are

Fabric type: Coated Lycra fabric is sweat-resistant and protects items from light rain

Shimano Dura Ace Di2 Hydro ST-R9170 Shift and Brake Lever Width_25mm This is good for healthShimano Dura Ace Di2 Hydro ST R9170 Shift and Brake Lever The Shimano Dura Ace Di2 Hydro ST R9170 shift and brake levers combine Shimano's hydraulic disc brake technology with Di2 electronic shifting in a package that's ready for the toughest racing situations. Their compact design and improved ergonomics ensure optimum comfort, allowing you to concentrate on the effort. The updated feel and layout of the buttons guarantee precise and smooth gear