- 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