CHAIN O-RING 428X112

428 XSO Drive Chain

• All 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-treated
• 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
• Chain includes rivet connecting link