Renthal R3-3 Off-road 520 - 120L SRS Road Chain 4.5 lb

Renthal R3-3 chains are specially developed utilising Renthal's SRS (self-regulating seals) technology to increase longevity. The SRS is pre-loaded during assembly, creating a spring effect. As a chain wears, conventional O-rings and X-rings loosen their seal whereas the SRS has the inherent ability to regulate a constant sealing pressure against the side plates throughout the life of the chain, increasing the service life of the chain.

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