RK’s 520 ZXW is a premium drive chain built for modern extreme superbikes, combining maximum strength with long service life. Its advanced XW-Ring sealing helps keep lubrication in and debris out for consistent performance.
Maximum strength, longer life, sharper acceleration response—the RK 520 ZXW Drive Chain is engineered to meet the demands of the latest extreme superbike models. Thanks to RK’s unique XW-Ring technology, this chain is designed to retain lubrication where it matters most while reducing contamination from dirt and debris, helping you maintain smooth power delivery and reliable performance over time.
If you ride hard and want a chain that can handle high loads without sacrificing durability, the ZXW series is built to deliver. The XW-Ring design features two lubrication pools and three contact lips, plus a triple-barrier structure that further seals in lubrication and helps prevent debris from entering the chain—ideal for riders who want long-lasting performance with less wear.
