Renthal RR4 is a highly specialised lightweight 520 sealed ring chain developed exclusively for Sportbike racing applications where a combination of lightweight and race durability are critical.

The RR4 chain with 520 racing sprockets is a great way to enhance your motorcycle’s trackday performance.

Utilising Self-Regulating Seal (SRS) technology to increase service life. The specially developed Self Regulating Seal (SRS) ring is preloaded during assembly creating a spring effect.