The Shimano CN-M8100 XT 12 Speed 126L Quick Link Chain allows for vastly improved engagement and chain retention and is fully compatible with Shimano's new 12-Speed drivetrains.Shimano CN-M8100 XT 12 Speed 126L Quick Link Chain FeaturesSuper narrow lightweight 12-speed Hyperglide+ chain for smooth shifts and maximum durabilityShimano 12-speed Hyperglide+ chains have computer designed plate profiles to operate seamlessly with Shimano DCE 12-speed chainrings and cassette sprockets, resulting in 1/3 faster shift time than Hyperglide systems even under loadOuter plate design has been developed to reduce the chance of chain suckSil-Tec surface treatment technology (PTFE plating) on inner and outer links and rollers that is smooth running and increases durabilityFor use with 12-speed HG+ drivetrainsComes complete with Quick Link which enables fast tool-free chain assemblySpeed: 12 Speed