EK CHAIN 520 R 3D - Nx Seals - Rivet Attachment Ring Universal ChainRef : EKC05101A / 1153517004

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

The 520R chain from the ThreeD series is designed for road racing, featuring forged plates and lightweight pins to reduce mass. Equipped with NX rings to limit wear and an MLJ connecting link for assembly. Suitable for intensive use in 600cc categories and racing motorcycles up to 750 cm³.

Design and Materials

• Cold-forged outer and inner plates with chamfered edges for a robust structure while minimizing the chain's weight.
• Holes drilled in the pins reduce the chain's mass, beneficial for decreasing inertia in racing setups.
• NX rings installed to extend lifespan by improving wear resistance between links and rollers.

Usage and Performance

• Designed for use on racing motorcycles up to 750 cm³, suitable for the demands of intensive use.
• Used by the MOTO2 Stylobike Yamaha Racing team, demonstrating its focus on track/competition applications in 600cc.

Practicality and Features

• MLJ connecting link for reliable assembly and easy disassembly during maintenance or replacement.
• Size 520 only, essential information to check against your transmission before purchase to ensure compatibility.

Advantages

• Available only in chrome colour for a uniform appearance and a shiny finish.
• OEM Reference 520R/3D-C 116 MLJ