At DMG Motorsports, we present the D.I.D SUPER 520NZ-100 Non O-Ring Chain (520NZX100FB) — a proven, no-nonsense drive chain built for riders who want dependable performance without the added bulk of sealed rings. This 100-link 520-size chain is engineered as a step above standard non-sealed chains, making it an excellent match for vintage motorcycles and smaller-displacement bikes that don't demand the extra drag of an O-ring design. Backed by D.I.D's reputation as a top OEM chain supplier to major motorcycle manufacturers, this 520NZ chain delivers the strength and reliability you need to keep your bike running smoothly, whether you're restoring a classic or maintaining a lightweight trail machine.

Features:

• 100-link, 520-size non O-ring chain, ideal for vintage bikes and smaller machines with less torque
• Solid bushings provide a meaningful upgrade over standard non-sealed chains
• DHA/SDH pin treatment forms a hard chromium-carbide layer on the pin surface for exceptional wear resistance and strength
• Average tensile strength of roughly 8,050-8,220 lbs, up to 19% higher than conventional chains
• Wear life index rated at 410 for long-lasting performance
• Rated for use on motorcycles up to 250cc
• Weighs approximately 3.54 lbs per 100 links for a manageable, purpose-built chain
• Special alloy steel construction with extended riveted bushing "anti-kink" design
• Solid rollers and shot-peened parts deliver low friction and high cylindrical/roundness accuracy
• Pre-stretched at the factory for consistent, reliable fitment out of the box
• Includes a clip-style master link for straightforward installation
• Best suited for machines originally equipped with non-O-ring chains; recommended primarily for off-road use