RK Chains 525Zxw Chain RK's ZXW chains, designed both for racing and street use, stand out with their high tensile strength and minimal friction points for consistent, dependable, and enduring performance. Optimized for high-speed and high-power applications, these chains are equipped with XW-Ring seals offering unmatched protection against contaminants, abrasion, thermal buildup, and lubrication loss, ensuring an extended lifespan. The RK ZXW Chain, celebrated for securing 35 top finishes out of 39 races at the Suzuka 8 Hour Endurance Race, emerges as the premier selection for riders pursuing peak performance and durability for their motorcycles. Features: For high-performance applications Low friction ensures minimal engine power loss High tensile strength for withstanding the extremes of race engine loads Reliable and consistent performance mile after mile XW-Ring provides superior protection against dirt, debris, abrasion, heat buildup and lubrication loss Made in Japan Rivet type master link included Specifications: Tensile strength: 10,430 lbs Max CC rating: 1300 Max horsepower: 220hp Weight: 4.53 lbs / 100 links