{"product_id":"aoit-420-motorcycle-chain-132-link-kit-1-2-pitch-roller-chain-for-50-212cc-mini-bikes-atvs-alloy-steel-with-chain-breaker","title":"AOIT 420 Motorcycle Chain 132-Link Kit — 1\/2\" Pitch Roller Chain for 50–212cc Mini Bikes \u0026 ATVs, Alloy Steel with Chain Breaker","description":"\u003cp\u003e\u003cstrong\u003eAOIT 420 Motorcycle Chain is a heavy-duty 132-link roller chain kit that fits 50–212cc mini bikes, go-karts and small ATVs and includes a master link plus a chain breaker for precise length adjustment.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis 420-size chain is engineered for small-engine vehicles—pit bikes, dirt bikes, scooters, Chinese ATVs and mini go-karts—requiring a compact, durable drivetrain component. Constructed from upgraded alloy steel with pre-stretched, shot-peened parts and solid rollers, the chain balances strength and wear resistance while delivering an accessible, easy-to-install kit that arrives ready to size and secure.\u003c\/p\u003e\n\n\u003ch3\u003eWhat are the key specifications I should check before buying?\u003c\/h3\u003e\n\u003cp\u003eConfirm compatibility with your vehicle’s sprockets and required chain length. This AOIT chain has a 1\/2\" pitch and 1\/2\" roller width with a roller diameter of 5\/16\" and comes as 132 links—ample length for most small-engine setups that can be shortened with the included tools.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eChain pitch: 1\/2\" (420 standard)\u003c\/li\u003e\n  \u003cli\u003eRoller width: 1\/2\"; roller diameter: 5\/16\"\u003c\/li\u003e\n  \u003cli\u003eTotal links: 132 (cuttable to fit)\u003c\/li\u003e\n  \u003cli\u003eTensile strength: approximately 4,300 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I size and install this chain on my mini bike or ATV?\u003c\/h3\u003e\n\u003cp\u003eThe kit includes a master link and a compatible chain breaker so you can remove excess links and reconnect the chain to the correct length. Installation requires aligning the chain on the sprockets, using the breaker to remove links, inserting the master link, and clearing proper tension—standard tasks for a DIY mechanic or service shop.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse the supplied 420–530-compatible chain breaker to remove links\u003c\/li\u003e\n  \u003cli\u003eFit the master link and clip or rivet according to your vehicle’s recommendation\u003c\/li\u003e\n  \u003cli\u003eSet rear axle position to achieve correct chain tension and recheck after short ride\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable and reliable is the AOIT 420 roller chain?\u003c\/h3\u003e\n\u003cp\u003eAOIT builds this chain from upgraded alloy steel and applies pre-stretching and shot-peening processes to reduce early elongation and surface fatigue. With solid rollers and either two- or reinforced rivet construction, the chain is designed to handle the loads typical of 50–212cc drivetrains while resisting corrosion and wear.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUpgraded alloy steel construction for improved strength\u003c\/li\u003e\n  \u003cli\u003ePre-stretched, shot-peened components to limit initial stretch\u003c\/li\u003e\n  \u003cli\u003eSolid rollers and secure riveting for extended service life\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the box and what additional parts might I need?\u003c\/h3\u003e\n\u003cp\u003eThe package contains one 132-link roller chain, a master link, a chain breaker tool suitable for 420–530 chains, and ten spare 420 connector links for repairs or multiple reconnections. You may only need basic hand tools—wrenches and pliers—or a shop rivet press if your vehicle’s connection method uses riveted links.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncluded: 1× 132-link 420 roller chain, 1× master link\u003c\/li\u003e\n  \u003cli\u003eIncluded: 1× chain breaker (420–530 compatible) and 10× connector links\u003c\/li\u003e\n  \u003cli\u003ePossible extras: replacement sprockets, rivet tool, lubricant\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Riders, hobbyists and small-vehicle mechanics who need a robust, ready-to-size replacement chain for mini bikes, pit bikes, go-karts, scooters and Chinese ATVs. Choose this AOIT 420 chain if you want a pretreated alloy-steel roller chain that arrives with the links and tools to shorten and secure it, offering practical strength for everyday off-road and recreational use.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this 420 chain fit my 125cc pit bike?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—this 420 chain fits 50–125cc and up to 212cc small engines, but confirm sprocket pitch (1\/2\") and required length before installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I shorten the chain myself with the included tool?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—the package includes a chain breaker compatible with 420–530 chains and a master link for DIY shortening and reconnection.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AOIT","offers":[{"title":"Default Title","offer_id":48085369159838,"sku":"B08GFSJ1TQ","price":34.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/aoit-420-chain-full-length-front-view.jpg?v=1785870285","url":"https:\/\/northtrailauto.ca\/products\/aoit-420-motorcycle-chain-132-link-kit-1-2-pitch-roller-chain-for-50-212cc-mini-bikes-atvs-alloy-steel-with-chain-breaker","provider":"North Trail Auto","version":"1.0","type":"link"}