EK CHAIN 520 R 3D - Nx Seals - Rivet attachment ring Universal ChainRef : EKC05102A / 1153517005

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

The 520 chain from the ThreeD series is designed for intensive use and competition. This technical construction is intended for replacement on rolling stock equipped with 520, focusing on longevity and performance in severe conditions.

Design and Materials

• Cold-forged outer and inner plates with chamfered edges for an optimal balance between mechanical strength and reduced weight.
• Holes drilled on the pins to decrease the chain's mass, beneficial in racing configurations to limit rotational inertia.
• Integrated NX rings to slow down wear and extend maintenance intervals.

Usage and Performance

• Designed for use on road racing motorcycles up to 750 cc, suitable for the high demands of these displacements.
• Targeted at the 600cc categories (MOTO2, ST600), the ThreeD design meets the specific requirements of these platforms.

Fit and Size

• Size 520 only, please check dimensional compatibility with your sprocket and rear wheel before installation.
• MLJ connecting link recommended for assembly and connection, consider this type when replacing.

Benefits

• Available only in chrome colour for a uniform appearance on visible components.
• OEM Reference 520R/3D-C 118 MLJ