RK 428SO X 104L ORING CHAIN

RK sealed O-Ring chain features heat treated hi-carbon alloy steel components with seamless rollers and shouldered busings.
The O-rings are made from advanced Nitrate Butadiene composite for maximum performance and wear life.

Constructed from high carbon alloy steel for strength and durability
Seals in lubrication, delivering smooth power with no 'O' ring drag
Fitting link (either clip link or peen link) is supplied with chain