Key Features:Super 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 assembly