RK Chains 520EXW Chain

RK Chains 520EXW Chain

The RK 520EXW Chain is a top-tier XW-sealed chain engineered for extreme off-road and ATV performance where heat, debris, and torque loads push equipment to the limit. Built with RK’s advanced XW-Ring technology, it features triple-barrier grease protection and anti-debris sealing to deliver maximum longevity in harsh riding environments. Designed specifically to handle the increased articulation and stress of ATV swingarm movement, the EXW offers up to 1.7 times longer wear life compared to traditional O-ring chains. Thermal crack-resistant side plates help prevent damage caused by rapid heating and cooling cycles, ensuring durability even in punishing conditions. With high tensile strength and proven reliability, the 520EXW is built for riders who demand uncompromising performance off the beaten path. This chain is purpose-built for off-road use and is not recommended for street applications.

Features:

• XW-ring sealed chain with triple-barrier grease protection
• Anti-debris seal design for improved longevity in harsh environments
• Designed for extreme off-road and ATV use with high torque loads
• Up to 1.7 times longer wear life compared to standard O-ring chains
• Thermal crack-resistant side plates for added durability
• Tensile strength: 7,700 lbs
• Maximum engine size: 750cc off-road / ATV
• Weight: 3.70 lbs.