DYC 420 Chain Kit — 138 Links Cut-to-Fit with Master Links & Breaker Tool for Mini Bikes, ATVs & Go-Karts | DYC DAIYOKI
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Description
xUpgrade your drivetrain with a complete, ready-to-install 420 chain kit
Take the guesswork out of a build or repair with the DYC 420 Chain Kit. Offering a 138‑link length plus five master links and a dedicated chain breaker, this kit is designed to help you size, connect, and service your drive system in the field or at home. The result is a more confident install and fewer surprises during gear changes, with components chosen to work together as a cohesive package.
Cut-to-fit flexibility for precise results
One of the standout benefits is the flexibility to start with a full 138 links and trim to your exact needs. Using the included breaker, you can remove excess links to achieve a clean, precise fit after sprocket or wheelbase adjustments. The approach is practical for custom builds or mid-season gearing tweaks, allowing you to tailor chain length without sourcing separate parts.
Consistent drive quality with true 420 specs
The kit adheres to the standard 420 pitch (1/2" between pins) and a roller width of 1/4", supporting smooth, reliable engagement across compatible setups. This consistency helps maintain predictable power transfer on small-displacement machines, contributing to a more controlled riding experience during acceleration and cruising.
Broad fitment for popular platforms
Designed to suit a wide range of platforms—from mini bikes and pit bikes to dirt bikes, ATVs, and go-karts—this kit is a practical upgrade for many popular builds. It’s commonly used with brands like Coleman, Baja, SSR, TaoTao, Coolster, Apollo, Kazuma, TrailMaster, Massimo, and more. Always verify sprocket compatibility with the 420 standard before installation to ensure a clean chainline.
Easy care to extend life
The kit emphasizes straightforward maintenance: regularly inspect tension, clean metal surfaces, and apply lubrication to help reduce noise and wear. Consistent care supports longer chain and sprocket life, smoother operation, and fewer disruptions during rides.
What you get
- Complete 420 kit with 138-link chain, 5 master links, and a chain breaker tool
- Cut-to-fit capability for exact sizing after changes to sprockets or wheelbase
- Components engineered for smooth engagement and efficient power transfer
- Broad compatibility with popular mini bikes, go-karts, ATVs, and more
- Tips for inspection, cleaning, and lubrication to extend chain life
Whether you’re replacing worn parts or building a fresh setup, the DYC 420 Chain Kit is a practical, field-friendly option that emphasizes fit, reliability, and ease of maintenance. While it can help improve the reliability of your drive system, results will vary with riding conditions, sprocket alignment, and regular care.
FAQ
Q: What does the DYC 420 Chain Kit include?
A: The kit includes a 138-link 420 chain, five master links, and a chain breaker tool for sizing and connection.
Q: Which vehicles can use this kit, and what should I verify before installation?
A: Compatible with mini bikes, pit bikes, dirt bikes, ATVs, and go-karts; verify 420 sprocket compatibility before use.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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