The transmission chain EK 520MVXZ2 QX‑Ring 520 (manufacturer reference: 520MVXZ2‑STL 116 MLJ) is designed for riders seeking a robust and high-performance part to replace a worn chain. Built with lightweight side plates and large diameter pins, it features QX seals to reduce friction between components and enhance the smoothness of the transmission.
- Type: QX‑Ring, pitch 520
- Number of links: 116
- Color: Steel / Steel
- Weight: 1.74 kg / 100 links
- Relative lifespan (100 links): 3400
Designed to withstand both road and off-road conditions, the 520MVXZ2 fits a wide range of styles: urban, roadster, trail/adventure, sport, touring, enduro, motocross, supermoto, trial, and even vintage/classic. Its installation is suitable for both leisurely rides and more intense sessions where the transmission experiences repeated accelerations.
Among the models for which this reference can be adapted are the KTM 690 SMC R (2026), the Honda CRF 300 L (2026), and the Ducati 950 Hypermotard SP (2025). To maintain performance and longevity, pair it with a sprocket and a chainring in good condition and adhere to the tensioning and lubrication intervals recommended by your manufacturer.
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