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Renthal

R4 SRS

Size Guide

Renthal R4 SRS Drive Chain

  • SRS ring technology
  • High alloy steel plates and pins
  • Quad riveting and thicker outer plates
  • Chains pre-stretched from the factory

Renthal's R4 SRS Road chain is a specially developed sealed ring chain utilizing Renthal's Self Regulating Seal (SRS) technology to increase the service life of the chain in road applications. The special SRS ring is pre-loaded during assembly creating a spring effect. As the chain wears, conventional o-rings and x-rings lose their seal, however the SRS ring has the ability to unload itself during use keeping a tighter seal against the side plates. This offers increased longevity as the specially formulated grease remains trapped around the critical pin and bushing area longer while also keeping dirt, water and other contaminants out.

Renthal have kindly made this Fit My Bike guide so you all can go and see the correct part number to fit your bike.