
This part being universal, it may require adaptations
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The transmission chain EK CHAIN 520H 520 (manufacturer reference 520H-STL 84 SPJ) is designed according to EK Japan standards to provide a robust and economical solution for motorcyclists. Suitable for 520 pitch transmissions, it is aimed at Quad, Urban, Cross, and Roadster environments, where the reliability of the sprocket-crown connection is essential.
This chain is suitable for standard replacements on 520 transmissions and will be ideal for both roadster riders and off-road enthusiasts. To ensure longevity and safety, adhere to the recommended tension adjustment, check the wear of the sprocket/crown teeth, and ensure regular lubrication. Compatible with many recent models, it is notably available for motorcycles such as the TRIUMPH SPEED 400 (2025), the ZONTES 125Z2 (2025), and the KTM 125 DUKE ABS (2025).
Installation, periodic checks, and maintenance are essential to get the best performance from this EK chain: it ensures a solid connection between the engine and the wheel, while remaining easy to install for the workshop or the knowledgeable amateur mechanic.