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Renthal Chains - R4 road chain (530 pitch) - Road SRS Chain

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Renthal R4 Chain: Ultimate durability and performance

Renthal's R4 SRS Road Chain is a specially developed seal 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 integrity, whereas the SRS ring is designed to maintain itself during use, keeping a tighter seal against the side plates.


  • SRS technology - the SRS ring technology enhances chain flexibility and offers smoother operation than standard o-ring chains, whilst also increasing durability
  • Quality materials - all R4 SRS Road chains feature high alloy steel plates and pins, solid bushings and rollers, shot peened side plates for added strength and gold side plates
  • Improved strength - special quad riveting process and thicker outer plates increases overall strength
  • Pre-stretched - chains come pre-stretched from the factory so less adjustment is needed during initial break in