520DZ2 Gold 122 Link High Performance Non-O-Ring Chain - Durable Race

In this review of the 520DZ2 Gold 122 Link chain, the bottom line is simple: this is a budget-minded, high-performance non-sealed racing chain built for riders who demand durability on rough motocross tracks. The reviewer finds it best suited to local MX racers and riders of ATVs or motorcycles up to 450cc who need a strong, attractive drive chain without the premium price of sealed O-ring designs. The chain's SDH technology and 7870 pounds tensile strength make the biggest case for purchase for anyone wanting reliable strength and a clean, premium-looking finish.

Key Features

• High tensile strength: With a 7870 pounds tensile strength rating, the chain stands up to the loads common on 450cc machines and aggressive riding.
• Race-oriented design: The non-sealed, high-performance construction is optimized for motocross conditions where ease of maintenance and weight matter.
• SDH technology: Engineered to resist the stress of demanding tracks, the chain maintains integrity over repeated hard use.
• Distinctive finish: Gold outer plates with black inner links give a premium look that holds up and resists visible corrosion on typical trail use.
• Complete with connector: A clip style master connecting link is included for straightforward installation and field repairs.

Who It's For

The 520DZ2 is aimed at motocross riders, weekend racers and ATV owners with machines up to 450cc who want a strong, race-capable chain without the cost of sealed O-ring alternatives. Riders who value a durable chain that is easy to clean and maintain after muddy, abrasive track sessions will appreciate the non-sealed design.

Those who need a fully sealed O-ring chain for maximum lubrication retention and longevity in long highway use should look elsewhere; this model is specifically a non-O-ring style despite some confusion in listings. It is also best for riders who can service and inspect their chains regularly rather than relying on sealed maintenance-free units.

Pros & Cons

Pros

• Strong 7870 lb tensile rating provides confidence under hard acceleration and jumps.
• Attractive gold and black finish gives a premium appearance and resists visible rusting on links.
• Budget-friendly performance that fits race use without premium sealed-chain pricing.
• Clip style master link included for quick installation and field serviceability.

Cons

• Not an O-ring or sealed chain, so it requires more frequent lubrication and inspection.
• Some customers expected an O-ring design and noted mixed messaging about sealing in descriptions.

Specifications

Model	520DZ-122
Links	122 links
Tensile strength	7870 pounds
Recommended displacement	Up to 450cc
Finish	Gold outer plates, black inner links
Master link	Clip style connecting link included

Our Verdict

The 520DZ2 Gold 122 Link chain is a practical choice for MX riders and ATV owners who want race-capable strength and a durable finish at a reasonable price. It is good value for anyone willing to perform regular maintenance and who does not require a sealed O-ring system; its tensile rating and SDH design make it especially suited to demanding off-road use.

Frequently Asked Questions

Is this an O-ring chain?
No. The 520DZ2 is a non-sealed racing chain and does not feature O-rings; it requires regular lubrication and inspection.

What machines is this rated for?
The chain is rated for ATVs and motorcycles up to 450cc displacement with a 7870 lb tensile strength.

Does it come with a master link?
Yes. A clip style master connecting link is included for installation and field repairs.