This Shimano CN-HG701 chain is an 11-Speed model compatible with the Shimano Ultegra road groupset and the Shimano XT 11-Speed MTB groupset. This version features a user-friendly Quick-link for convenient fitting. Featuring: Compatible with all 11-Speed Road and MTB groupsets. Super narrow lightweight 11-speed HG-EV symmetrical design chain for smooth shifts and maximum durability. Outer plate design has been developed to reduce the chance of chain suck. Sil-Tec surface treatment technology (PTFE plating) on inner and outer links that is smooth running and increases durability. Zinc-Alloy plated outer links. The inner plate has been developed for better contact with gears providing smoother shifting under high load, giving efficient pedaling, increased rigidity and near silent running. 5.62 mm chain width, optimised for 11-speed Super Narrow HG-EV drivetrains. Quick-link for convenient fitting and replacement.