EK 520SRX2 QX-Ring 520 — manufacturer reference: 520SRX2-STL 90 SLJ. This transmission chain from EK CHAIN, the SRX series offers a proven compromise between performance and value, favored by many motorcyclists. This 520SRX2 model comes in a steel/steel finish and features QX-Ring type seals for sealing between rollers and links.
- Pitch: 520
- Number of links: 90
- Color: Steel / Steel
- Relative lifespan (for 100 links): 3300
- Weight: 1.54 kg / 100 links
Designed to fit various motorcycle environments — quad, urban, motocross, and roadster — this chain easily integrates into common configurations (sprocket/crown), suitable for machines such as KTM 690 SMC R, YAMAHA YZ 450 F, or HONDA CRF 300 L (compatibility examples). Ideal for motorcyclists looking for a standardized transmission part, it allows for chain restoration while maintaining the original characteristics of the drivetrain.
Before installation, check the pitch, the number of links, and the condition of the sprocket/crown. Follow the adjustment and maintenance recommendations (tension, lubrication) to optimize the longevity of the entire assembly.