CHAIN RK428XSO 110C

428 XSO Drive ChainAll RK chains are pre-stressed and pre-stretched to ensure equal load distribution and minimal maintenance They're made of the highest grade medium carbon alloy steel available, with all components shot-peened and heat-treatedPro 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 Chain includes rivet connecting link