Solid pins, inner and outer plates make for an economical chain choice with all the performance of higher level X-Series chains.Includes KMC Missing Link 9Eco ProTeQ treatment doubles the rust resistance compared to KMC's RustBuster treatment.Double X bridge shape with inner and outer plate chamfering for smooth and fast shiftingMushroom riveted pins for the highest pin power and allows shifting under heavy loadsStretch Proof heat treatment so the chain last longer and goes fartherItem SpecificationsChain Connection TypeReusable Master LinkColorGrayDefined ColorGrayDrivetrain Speeds9Half Link ChainNoLinks116Weight325 KMC X9 Chain Chains UPC: 766759709167