Shimano Dura-Ace CN-HG901 11-Speed Quick Link Chain mips And depending on the chosen

And depending on the chosen mode

Overall improvements to the shell shape ensure ARO3 Endurance sits lower on the head for better balance

two-piece design

one-size Headset SX fit system is designed for easy and accurate fit for a wide range of head sizes

aero position

Shimano Dura-Ace CN-HG901 11-Speed Quick Link Chain mips And depending on the chosenDURA ACE 11 Speed Super Narrow HYPERGLIDE SIL TEC Road Chain The SHIMANO HG901 11 chain receives a complete SIL TEC treatment on its plates and roller for increased durability and efficiency. Its asymmetric design ensures smooth front and rear shifts while reducing drivetrain noise. Compatible with 11 speed drivetrains, the HG901 11 is also rated for E BIKE use. HG X11 special asymmetric plate design for 11 speed Rear drive Smooth driving without