Description
Product Overview
The YOXUFA 420 chain master link is engineered for high‑performance powersports applications. Crafted from hardened steel, it offers superior tensile strength and corrosion resistance, ensuring a reliable link between chain segments. With a 1/2″ pitch, 1/4″ poller width, and 5/16″ roller diameter, it matches the specifications of most 50cc‑125cc engines. The package includes 20 pieces, providing ample spares for multiple installations or replacements.
Usage
Designed for ATVs, mini bikes, go‑karts, and pit dirt bikes, this master link excels in rugged environments such as off‑road trails, motocross tracks, and snow‑covered terrains. It is ideal for riders seeking consistent power transfer and reduced maintenance downtime. 
Why Choose Us
YOXUFA combines precision engineering with rigorous quality control to deliver a chain connector that outperforms generic alternatives. Each link undergoes heat treatment to achieve optimal hardness, and the surface is coated to prevent rust. Our commitment to after‑sales support ensures you receive guidance on compatibility and installation, backed by a responsive customer service team.
Key Features
- Hardened steel construction for maximum durability and rust resistance
- Exact 420 specification (1/2″ pitch, 1/4″ poller, 5/16″ roller) for perfect fit
- Package of 20 links provides value and convenience for multiple bikes
- Easy to install without special tools, reducing service time
- Compatible with a wide range of 50cc‑125cc powersports models
FAQ
What vehicles are compatible with the 420 master link?
The link fits most 50cc to 125cc ATVs, mini bikes, go‑karts, and pit dirt bikes that use a 1/2″ pitch chain, including popular brands such as TaoTao, Coolster, and Apollo.
How do I install the master link?
Simply open the link by pulling the outer plates apart, thread the chain through, and snap the plates back together. No additional tools are required.
Is the link rust‑proof?
The steel is heat‑treated and coated to resist corrosion, but we recommend regular cleaning and lubrication for optimal longevity.
Can I use the link for high‑performance racing?
Yes, the hardened steel design maintains strength under high torque and rapid acceleration, making it suitable for competitive use.
What is included in the package?
Each box contains 20 individual 420 master links, ready for immediate installation.





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