YOXUFA 420 Chain 132-Link Gold Replacement for 50–150cc Mini Bikes & ATVs — Alloy Steel, Includes Master Links & Breaker

This 420 chain is built from durable alloy steel and finished for improved wear resistance, delivering a longer service life for 50cc–150cc small engines, including common SSR, TaoTao, Coolster, Apollo, Baja and many Coleman/Massimo mini bike models. The kit arrives ready for trimming and installation, complete with master links and a chain breaker so you can size the chain precisely to your machine.

Will this chain fit my 110cc or 125cc pit bike?

Yes — the 420 chain is a standard size used by many small four‑stroke dirt bikes and ATVs. It fits numerous models after appropriate adjustment and refitting, especially popular Chinese and Japanese mini‑bike platforms.

• Compatible with SSR, TaoTao, Coolster, Apollo, Baja, Kazuma and similar brands.
• Works with CRF/XR style 50–80/70 models and 110–125cc pit bikes after installation tweaks.
• Includes 132 links to allow trimming to correct pitch and length.

How easy is it to size and install the chain?

YOXUFA includes tools and hardware to make cutting and joining straightforward for someone comfortable with basic mechanical tasks. The supplied chain breaker and master links let you trim and rejoin the chain without needing specialty shop tools.

• Comes with a 420 chain breaker suitable for 420–530 sizes for pin removal.
• Includes 10 master links and a thimble for secure reconnection.
• Follow alignment of center pillar and bottom hole in breaker to avoid pin damage.

What construction and durability features does this chain offer?

The chain is manufactured from alloy steel with surface treatment to resist wear and extend lifespan under normal riding conditions. It’s designed to handle the loads typical of mini bikes, go‑karts and small ATVs without premature stretching.

• Heavy‑duty alloy steel for strength under torque and load.
• Special surface treatment improves abrasion resistance and longevity.
• Gold finish for corrosion protection and a distinctive look.

What’s included in the package and why it matters?

This kit supplies everything you need to size and fit the chain yourself, reducing extra parts purchases and minimizing downtime. Multiple master links provide spares, and the included breaker allows trimming to the exact length required by your sprockets.

• 1 × 420 chain, gold, 132 links — ready to cut to length.
• 10 × 420 master links so you can rejoin the chain securely or keep spares.
• 1 × chain breaker for 420–530 sizes and 1 × thimble for installation support.

Who is this for: Riders, hobbyists and small‑vehicle mechanics who need a reliable, serviceable replacement drive chain for mini bikes, pit bikes, ATVs and go‑karts. It’s especially suited for owners of SSR, TaoTao, Coolster, Apollo, Baja, Coleman CT200U and similar machines who want a durable aftermarket chain and the basic tools to fit it themselves.