The RK 520H Heavy Duty Drive Chain is a strong, economical non-sealed 520 chain designed for heavy-duty use with improved strength over standard chains. Built from heat-treated, shot-peened carbon alloy steel for durability and long service life.
The RK 520H Heavy Duty Drive Chain is a reliable choice when you want a tougher chain without the added cost and complexity of a sealed design. With improved strength compared to standard chains, it’s built to handle demanding riding and frequent drivetrain load changes while keeping performance consistent.
Manufactured from carbon alloy steel, then heat-treated and shot-peened, this chain is designed for maximum strength and durability. A cold-forged seamless bush helps extend chain life by improving wear resistance—ideal for riders who service their chain regularly and want excellent price-to-performance.
