{"product_id":"ciloyu-60t-420-sprocket-and-90-link-chain-kit-for-mini-bikes-40mm-bore-boosts-low-end-torque-includes-hardware","title":"CILOYU 60T 420 Sprocket and 90-Link Chain Kit for Mini Bikes (40mm Bore) — Boosts Low-End Torque, Includes Hardware","description":"\u003cp\u003e\u003cstrong\u003eCILOYU's 60-tooth 420 sprocket kit with a 90-link 420 chain upgrades mini bikes for stronger low-speed torque and smoother hill starts.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis complete sprocket and chain set is engineered for small off-road bikes such as the Coleman CT200U series and many Baja, Motovox, Monster Moto, and similar 80–200cc mini bikes. The kit replaces a standard 50T sprocket with a 60T unit and includes mounting hardware, spare links, a chain breaker, and a small 10T counter sprocket to simplify installation and get your bike back on the trail quickly.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the 60-tooth sprocket affect riding performance?\u003c\/h3\u003e\n\u003cp\u003eThe larger 60T sprocket increases the leverage delivered to the rear wheel, converting engine RPM into greater torque for low-speed situations. You’ll notice stronger initial acceleration, improved traction on inclines, and easier control in technical terrain without needing to over-rev the engine.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBoosts low-end torque compared with a 50T sprocket.\u003c\/li\u003e\n  \u003cli\u003eReduces wheel slip when launching on loose surfaces.\u003c\/li\u003e\n  \u003cli\u003eBetter for hill climbs and heavy-load runs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat exactly comes in the kit and why are those parts useful?\u003c\/h3\u003e\n\u003cp\u003eThe package contains everything required for a full sprocket-and-chain swap so you won’t need to source extra components. Included are a 60T 420 sprocket with 40mm bore, a 90-link 420 chain, spare 42-link chain, master links, fasteners, a 10T counter sprocket, a 3\/16\" keyway, and a chain breaker tool to size the chain perfectly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOne 60T 420 sprocket (40mm bore) — main gearing change.\u003c\/li\u003e\n  \u003cli\u003e90-link 420 chain plus a 42-link spare and five master links for adjustment.\u003c\/li\u003e\n  \u003cli\u003eTen screws\/nuts, 10T sprocket, keyway, and a chain breaker for installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich bikes is this sprocket and chain compatible with?\u003c\/h3\u003e\n\u003cp\u003eThis drivetrain kit fits many small-displacement off-road and pocket bikes that use 420 chain and accept a 40mm bore sprocket. It’s designed to be a direct upgrade option for several popular models across different manufacturers, but double-check bore and chain size before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eColeman Powersports: CT200U, CT200U-EX, BT200X, KT196, CT100U, CC100X.\u003c\/li\u003e\n  \u003cli\u003eBaja Motorsports: MB165, MB200, Heat\/Mini Baja\/Warrior series, Doodlebu* DB30.\u003c\/li\u003e\n  \u003cli\u003eMotovox, Monster Moto \/ Mega Moto (MMB80\/105), and similar 80–105cc mini bikes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? This CILOYU 60T sprocket and 420 chain kit is intended for riders and mechanics who want more low-speed pull from their mini bike—especially useful for trail riders, hill climbers, and users who carry heavier loads or frequently ride in mud, sand, or uneven terrain. It’s also a practical replacement kit for DIY maintenance: it supplies hardware and a chain breaker so home mechanics can complete the swap without specialty tools. Before purchasing, verify your mini bike uses a 420 chain and that a 40mm bore sprocket suits your axle and mounting setup to ensure a smooth fit.\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 60T sprocket fit my CT200U mini bike?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it’s made for CT200U models that accept a 40mm-bore 420 sprocket; confirm your bike’s bore and chain size before installing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the kit include everything needed to install?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it includes the 60T sprocket, 90-link chain, spare links, fasteners, a 10T sprocket, keyway, and a chain breaker.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"CILOYU","offers":[{"title":"Default Title","offer_id":67587469836473,"sku":"B0FD35M59K","price":115.11,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/ciloyu-front-sprocket-and-chain-kit.jpg?v=1790509204","url":"https:\/\/redleafauto.ca\/products\/ciloyu-60t-420-sprocket-and-90-link-chain-kit-for-mini-bikes-40mm-bore-boosts-low-end-torque-includes-hardware","provider":"Redleaf Auto","version":"1.0","type":"link"}