KMC X8 8-Speed Road/Mountain Bike Chain

Specification：1/2'' x 3/32''Connector:MissingLink 8R/CL573RCompatibility:SHIMANO,SRAM and all other 8 speed drivetrains

KMC X9 9-Speed Road/Mountain Bike Chain

Model: X9 Dimensions: 1/2"X11/128"Pin length: 7.3mmLink: 116 LinksColor: Silver grayWeight: 320g (include box)Connector: Missing Link 9R/CL566RCompatible: 9-Speed Drivetrain System

KMC X10 10-Speed Road/Mountain Bike Chain

Model: X10 Dimensions: 1/2" X 11/128"Link: 116 LinksColor: Silver blackWeight: 302g (include the box)Connector: Missing Link 10R/CL559RCompatible: 10-Speed Drivetrain System

KMC X11 11-Speed Road/Mountain Bike Chain

Model: X11 Dimensions: 1/2" X 11/128"Link: 118 LinksColor: Silver blackWeight: 294g (include the box)Connector: Missing Link 11R/CL555RCompatible: 11-Speed Drivetrain System

KMC X12 12-Speed Road/Mountain Bike Chain

Model: X12 Dimensions: 1/2" X 11/128"Link: 126 LinksColor: Silver/silver black/goldWeight: 307g (include the box)Connector: Missing Link 12R/CL552Compatible: 12-Speed Drivetrain System