Chains › CHAIN SRO6 O-RING 520 100' ROLL Image 1 of 1 CHAIN SRO6 O-RING 520 100' ROLL $1,506.95 High quality O-ring chain seals in lube and keeps water and mud outSolid rollers and entended anti-kink bushings increase chain longevityJapanese made chain with quad staked riveting of pins into side plates Purchase Added! High quality O-ring chain seals in lube and keeps water and mud outSolid rollers and entended anti-kink bushings increase chain longevityJapanese made chain with quad staked riveting of pins into side plates