KMC XGlide chains offer smooth and decisive shifting with it's special plate design for wider cog teeth to enable instant shifts and efficient gear harmonization. Optimized for use with Shimano CUES 9 to 11-Speed drivetrains.1/2" x 11/128" chain is optimized for use with Shimano CUES drivetrainsFeatures KMC's highest pin power for unsurpassed riveting geometryUtilizes KMC's Double X durability for extended lifeDouble X bridge shape allows for precise gear shiftingOuter plate chamfering allows for accurate shiftingInner plate chamfering allows for expeditious shiftingItem SpecificationsChain Connection TypeSingle Use Master LinkColorGrayDefined ColorGrayDrivetrain Speeds10Drivetrain Speeds11Drivetrain Speeds9Half Link ChainNoLinks126 KMC XGlide Chain Chains UPC: 766759711207