Renthal R3-3 Off-Road Chain 520 size:120 Links The outer shell is tough

The outer shell is tough and impact-resistant

FANTIC MOTOR TRIAL COACH 309

Pitch: 520

SF12279A033

Double outer shell and double inner shell

Renthal R3-3 Off-Road Chain 520 size:120 Links The outer shell is toughRenthal R3 3 Off Road Chain boasts a unique Self Regulating Seal (SRS) design that is pre loaded during assembly. The spring effect created during this process delivers constant seal pressure as the chain wears, allowing for extended lubrication intervals while delivering incredible durability, unlike traditional O Ring chains which lose sealing pressure as they wear. The result is a strong, long lasting, high performance o ring dirt bike chain, ideal