RK Excel America is the North American arm of RK Japan, a globally respected manufacturer of high-performance motorcycle chains with decades of racing and OEM experience. RK chains are engineered in Japan and distributed in the U.S. by RK Excel America, with a strong reputation for precision manufacturing, durability, and race-proven performance across street, off-road, and competition applications.

This collection includes RK motorcycle drive chains, including standard, O-ring, X-ring, and racing chain series designed for sport bikes, cruisers, dirt bikes, ATVs, and UTVs. Known for smooth power transfer, reduced friction, and long service life, RK chains are trusted by professional racers and everyday riders alike for reliable drivetrain performance in demanding riding conditions.