Renthal R4 520-120L SRS Road Chain 250-X This design allows the palms

This design allows the palms to contact more grip surface area

Youth motocross riders (65cc-85cc bikes)

1988-2001 Honda CR500R

especially on rocky and stone surfaces

Direct Bolt-On Fitment: No modifications required for KTM

Renthal R4 520-120L SRS Road Chain 250-X This design allows the palmsRenthal's R4 SRS Road chain is a specially developed sealed ring chain using 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