The basis of every Eagle drivetrain is its chain-and the Eagle S100 chain is designed and manufactured using proven Eagle architecture so it is fully compatible with every other component in the Eagle ecosystem. Featuring solid pin construction a sturdy Eagle PowerLock and smooth efficient shifting that you can count on every time out.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/Gray Half Link Chain No Defined Color Gray