Maseshop RK GB520XSO-120 520 XSO GB RX-Ring Chain – 120 Links – Gold

Pro x-ring chain lasts five to eight times longer than standard chain. Provides two more lubricant pools than conventional o-rings for longer life. Lubricated with specially formulated, vacuum-injected u-grease; locked in by tough nitrile butadine rubber x rings. Polished and shot-peened link plates. High tensile strength ensures reliable performance.