Shimano HG901 Dura Ace R9100 11 Speed Chain

The symmetrical 11-speed Dura-Ace chain uses hollow pins for low weight, PTFE coating for smooth shifts and offers increased durability.

The chain for perfect shifting: Shimano CN-HG901 11-speed Chain with Quick-Link Connector. With an HG-X11 special asymmetric plate design and Shimano's new SIL-TEC surface treatment, a quieter ride, increased chain life and better performance await you.