Zhenghe 520 Gold Motorcycle Chain 120-Link 520H Heavy-Duty Roller Chain with 2 Master Links — Corrosion-Resistant, Hardened Pins

Zhenghe 520 Gold Motorcycle Chain is a heavy-duty 120-link roller chain with connecting master links engineered for 250cc–300cc dirt and dual-sport bikes, offering rugged durability and easy installation.

If you need a dependable replacement drive chain for machines such as the DRZ250, RMZ250, KX250, KX450F, CRF250R, CRF450R, YZ250F or similar 250–300cc platforms, this Zhenghe 520 chain is built to handle off-road stress and high-speed riding. The gold finish resists corrosion and the 120-link configuration provides the length needed for standard setups; two master links are included so you can fit it without extra parts.

How tough is this chain for off-road and aggressive riding?

The Zhenghe 520 is designed for heavy-duty use with reinforced roller links and hardened pins to resist wear under demanding conditions. It minimizes stretch and keeps power transfer efficient, even when exposed to dirt, mud, and frequent gear changes.

• High-grade steel construction for improved fatigue resistance
• Hardened pins and reinforced plates to reduce elongation
• Gold plating for added corrosion protection in wet environments

Will this chain fit my 250cc or 300cc motorcycle?

The chain is a standard 520H pitch and comes with 120 links—compatible with a wide range of 250cc and 300cc motorcycles and many ATVs or go-karts that accept a 520 chain. Confirm your bike’s OEM chain specification and required link count; you can remove links if trimming is necessary.

• Fits many models: DRZ250, RMZ250, KX250, KX450F, CRF250R, CRF450R, YZ250F, YZ450F
• Includes two connecting master links to complete installation
• 120-link length adjustable by removing links to match sprocket spacing

How easy is installation and what comes in the box?

Installation is straightforward for anyone familiar with chain replacement. Zhenghe supplies the chain with two master links so you won’t need to hunt for connecting hardware; standard chain tools are recommended for a secure fit and proper rivet tensioning.

• Complete 120-link 520 chain with two connecting master links included
• Fits standard 520 sprockets—no special sprocket required
• Recommended: chain breaker/riveting tool for best results

How should I maintain this chain for longer life?

Routine maintenance—regular cleaning, proper lubrication, and correct tension—will extend the chain’s service life. The gold protective finish helps, but consistent care prevents premature wear and keeps drivetrain performance optimal.

• Clean with a suitable chain cleaner after muddy or wet rides
• Lubricate with motorcycle chain lube at regular intervals
• Check tension periodically and adjust to manufacturer specs

Who is this for: The Zhenghe 520 Gold Motorcycle Chain is aimed at riders who need a robust, ready-to-install replacement chain for 250cc–300cc dirt bikes, dual-sport machines, ATVs or go-karts. It suits owners who value a heavy-duty chain that resists wear and corrosion, includes connecting links for convenience, and can handle aggressive off-road or track use when maintained correctly.