Shimano CN-HG901 11-Speed Chain;

The best just keep getting better in the world of Shimano. For the ultimate 11-speed chain look no further than the CH-HG901 -- Shimano's latest and greatest Dura-Ace/XTR level chain that will work wonders on your Shimano 11-speed drivetrain of any level. Equally adept at road and mountain bike drivetrains, the HG901's strength, durability, and smooth shifting performance is second to none. The successor to Shimano's Dura-Ace/XTR HG900 11-speed chain, now even stronger HG-X11 special asymmetric plate design for Shimano 11-speed drivetrains SIL-TEC surface treatment ensures ultra-low friction and increased durability Hollow pins keep weight to a minimum 116 links Weight: 247 grams