EK CHAIN 520SRX2 QX - Ring 520 Universal ChainRef : EKC03030A / 1148274042

The EK 520SRX2 QX-Ring 520 chain (manufacturer reference: 520SRX2-STL 122 SKJ) is a robust transmission designed for versatile riders. Developed by EK CHAIN, it features a steel/steel construction and a profile suited for both road and off-road use: urban, trail, roadster, sport, as well as enduro and vintage. Its QX-Ring design ensures seal integrity to maintain internal lubrication and limit dirt penetration — a benefit for those seeking a reliable chain without marketing gimmicks.

• Pitch: 520
• Number of links: 122
• Color: Steel / Steel
• Weight: 1.54 kg / 100 links
• Relative lifespan (100 links): 3300
• Type of seal: QX-Ring

Whether you are replacing the chain on a KTM 690 SMC R, a Yamaha YZ 450 F, or a Honda CRF 300 L, this 520SRX2 is intended for setups that require strength and controlled maintenance. Easy to install by a mechanic or a skilled DIYer, it is suitable for both road configurations and off-road sessions. Choose it if you are looking for a straightforward, long-lasting chain designed by a transmission specialist.