Kmc x10 ept 10 speed chain world class professional racers have proved that kmc chains provide the right dna to help you become a champion kmc guarantees your satisfaction features 12 x 11128 114 links pin length 588mm compatible with all 10 speed road and mtb drive train systems hi performance extremely durabletechnologies ecoproteq anti rust technology extra stretch proof treatment non directional design assembly of this chain is independent of direction it allows maximum compatibili