EK CHAIN 520 R 3D - Nx Seals - Rivet attachment ring Universal ChainRef : EKC05103A / 1153517006

Chain 520 R 3D - Nx Seals - Rivet Link by EK CHAIN

The ThreeD series chain is designed for racing and sports use, focusing on lightweight and durability. Cold-forged plates, drilled pins, and NX rings reduce mass and extend service life under demanding conditions. Product reference 520R/3D-C 120 MLJ, size 520 only, chrome finish.

Design and Materials

• Cold-forged and chamfered outer and inner plates, providing good wear resistance for intensive use
• Drilled holes on the pins to lighten the chain and limit inertia during acceleration phases
• Integrated NX rings to increase longevity between maintenance intervals

Usage and Performance

• Identified as the lightest chain in the ThreeD series, suitable for 600cc MOTO2 and ST600 categories for competitive use
• Designed for road racing motorcycles up to 750 cm³, suitable for high-revving conditions
• Used by the MOTO2 Stylobike Yamaha Racing team, indicating competitive usage

Benefits

• Size 520 only, to be checked for compatibility with your motorcycle's transmission
• Available only in chrome colour for an aesthetic finish and polished look
• OEM reference 520R/3D-C 120 MLJ