Maseshop RK GB520XSO-130 520 XSO GB RX-Ring Chain – 130 Links – Gold

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.