lundeng ShimanoDura-Ace Di2 ST-R9170 2X11-Speed Bicycle Shift/Brake Lever Set ISTR9170PA
Product Features Shimano Dura-Ace Di2 ST-R9170 2X11-Speed Bicycle Shift/Brake Lever Set ISTR9170PA Electronic shifting / hydraulic disc brake Each switch can be selected to open or close multiple files. More intuitive and faster shifting The hood’s carbon composite plastic material is lighter in weight