EK CHAIN 520RRX NX-Ring 520 Universal ChainRef : EKC00022A / 1129879021

EK 520RRX NX-Ring Transmission Chain — Manufacturer Ref. 520RRX-G/G 124 MLJ. Designed by EK CHAIN for demanding riders, this racing chain features a gold finish throughout its length and is suitable for quad, urban, motocross, and roadster use. EK's RRX versions are renowned in competition and used in many international events, ensuring a design focused on performance and longevity.

• Type: 520 NX-Ring Chain (sealed joints)
• Number of Links: 124
• Color: Gold / Gold
• Relative Lifespan (100 links): 3500
• Weight: 1.56 kg / 100 links

The NX-Ring construction limits the entry of contaminants and retains lubrication between the links, making it a suitable choice for both off-road and road use. Its gold finish adds a polished visual touch and withstands the rigors of installation and routine maintenance. Compatible with 520 transmissions, it will fit machines such as KTM 690 SMC R (2026), HONDA CRF 300 L (2026), or DUCATI 950 HYPERMOTARD SP (2025), provided the geometry and number of links match.

To change your sprocket or adjust your final ratio, please check the exact compatibility with your model before installation. Chain delivered ready to be adjusted and riveted according to the maintenance practices of the rider.