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420 102 Links Chain & Heavy Duty Chain Roller Tensioner Combo for 50cc-140cc Dirt Bikes, Pit Bikes, ATVs, Go Karts - CRF50, XR50, PW80, SSR, Tao Tao, Coolster, Kazuma, Baja, Ice Bear, Lifan & More

4.6 (1) Write Review
Free shipping on orders over $29.99

$21.99

$ 10 .99 $10.99

In Stock

About this item

  • All-in-One Upgrade Solution:Elevate your dirt bike, pit bike, ATV, or go kart's performance with our ultimate combo package. It includes a high-quality 420 chain with 102 links and a heavy-duty chain roller tensioner, designed to fit a variety of models from 50cc to 140cc.
  • Premium 420 Chain for Enhanced Durability:Crafted for reliability, our 420 chain features 102 links (51 internal and 51 external), with the flexibility to add or remove master links as needed. Specifically engineered for 420 sprockets, it ensures smooth operation and can be easily installed to extend your existing chain.
  • Heavy Duty Roller Tensioner with Upgraded Spring:Our tensioner boasts an upgraded spring, thicker wire, and longer travel for maximum durability. The bracket is constructed from 3.1mm thick metal, making it stronger than other tensioners on the market. The seamless steel bushing provides smooth rotation and extends the lifespan of your drivetrain components.
  • Seamless Integration and Smooth Performance:With a 15mm inner diameter mounting bushing size, our tensioner integrates seamlessly with your bike's drivetrain. The smooth rotoring ensures minimal friction and wear, providing you with a quieter, more efficient ride.
  • Complete Package for Easy Installation:The combo package includes everything you need for a smooth upgrade: 1 x 420 Chain with 102 Links, 12 x 420 Connecting Master Links, 1 xChain Breaker,2 x rollers, 1 x bracket, 1 x clip spring, 1 x screw, and 1 x washer. Plus, our professional after-sales support ensures you get the best fit and performance for your ride. Before purchasing, please verify the chain size and tensioner compatibility with your motorcycle's specifications.


MRELC 420 102 Links Chain & Heavy Duty Chain Roller Tensioner Combo for 50cc-140cc Dirt Bikes, Pit Bikes, ATVs, Go Karts - CRF50, XR50, PW80, SSR, Tao Tao, Coolster, Kazuma, Baja, Ice Bear, Lifan & More All-in-One Upgrade Solution:Elevate your dirt bike, pit bike, ATV, or go kart's performance with our ultimate combo package. It includes a high-quality 420 chain with 102 links and a heavy-duty chain roller tensioner, designed to fit a variety of models from 50cc to 140cc.


Andy Collins
Reviewed in the United States on March 21, 2025
Great chain and chain splitterWell built great packaging
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