The R-1 Works chain is a premium high-strength, lightweight, non o-ring chain with excellent impact resistance It is specifically designed for competition racing applications 7,644 lbs. tensile strength

This chain features nitrile o-rings, which retain a special vacuum injected grease around the critical pin and bushing area The R-3 chain is the choice where a combination of long ...

All RK chains are pre-stretched to ensure minimal maintenance Components are shot peened and heat treated 7,200 lbs tensile strength

All RK chains are pre-stretched to ensure minimal maintenance Components are shot peened and heat treated 10% longer wear life then standard 520 chain. 8,500 tensile strength