EK CHAIN 520SRX2 QX-Ring 520 — Manufacturer reference: 520SRX2-STL 104 SLJ
The 520 transmission chain from EK's SRX series is designed to replace the original chain on a wide range of machines. The 520SRX2 features a QX-Ring seal design to ensure tightness between the link and the pin, reducing lubrication loss and wear due to friction. Its steel/steel appearance gives it a sleek and robust look suitable for both urban and off-road use.
- Type: 520 QX-Ring chain
- Number of links: 104
- Pitch: 520
- Color: Steel / Steel
- Relative lifespan (for 100 links): 3300
- Weight: 1.54 kg / 100 links
Versatile, this chain is aimed at users of quads, urban bikes, motocross, and roadsters. It is suitable for replacements on machines equipped with a 520 transmission and 104 links; always check the required number of links and the installation direction for your sprocket and crown. Regular installation and adjustment are recommended to maintain tension and prolong the lifespan of the transmission.
Top 3 motorcycles often affected: KTM 690 SMC R (2026), YAMAHA YZ 450 F (2026), HONDA CRF 300 L (2026).