EK CHAIN 525DEX QX - Ring 525 Universal ChainRef : EKC05066A / 1152961002

Chain 525DEX QX - Ring 525 by EK CHAIN

The EK 525DEX is a transmission chain equipped with a QX-ring seal, designed for more powerful road motorcycles. Its design minimizes friction and enhances lubricant retention for reduced wear. It aims for stable transmission in daily use and longevity suitable for touring. The technical specifications (pitch 525, tensile strength 32.9 kN) make it easier to choose an appropriate replacement.

Design and materials

• Chain pitch 525, compatible with sprockets and crowns with a pitch of 525 for direct replacement
• Axle length 26.40 mm, useful information for verifying compatibility during installation
• Thickness of inner/outer plates 2.0 mm / 2.0 mm, ensuring robustness against wear
• Tensile strength 32.9 kN, suitable for high demands in road use
• Weight for 100 links 1.65 kg, practical information for identification and replacement

Practicality and features

• QX-ring seal ensuring better lubricant retention and reduced friction
• Wear index STD. AS 100 of 3.100, useful for assessing relative durability
• Reinforced design, suitable for engines delivering higher torque

Usage and performance

• Maximum recommended displacement 500 cc (road), suitable for road motorcycles up to this limit
• Designed for daily use, touring, and sporty road riding with consistent performance over long distances

Advantages

• Part of EK Japan's ECO Street Series, offering a well-considered price-quality ratio
• OEM reference 525DEX-STL 122 SKJ