The Eagle S200 chain is designed for Eagle Ecosystem compatibility. Featuring solid pin construction Eagle PowerLock and smooth efficient shifting that you can count on every time out. Features a Black Oxide inner plate finish and Nickel outer plate finish for added durability and corrosion resistance.Eagle 12-Speed Drivetrain Ecosystem compatibilityDurable chrome-hardened solid pin constructionEagle PowerLock connector TECH SPECS table{border-collapse:collapse;width:100%;} td{text-align:left;padding:8px;font-weight:350;} tr:nth-child(even){background-color:#f2f2f2} th{background-color:#eb212e;color:white;text-align:left;padding:8px;} .desc .specs-heading{font-size:24px;font-weight:600;padding-top:35px;border-top:3px solid #f0f0f0;display:inline-block;border-bottom:4px solid #eb212e;width:142px;margin:0;} Links 126 Drivetrain Speeds 12 Chain Connection Type Single Use Master Link Color Silver/Black Half Link Chain No Defined Color Black