{"product_id":"ciloyu-420-chain-mini-bike-sprocket-40t-40mm-90-42-links-replacement-for-coleman-bt200x-predator-engines","title":"CILOYU 420 Chain Mini Bike Sprocket 40T, 40mm – 90\/42 Links Replacement for Coleman BT200X, Predator Engines","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe CILOYU 420 chain sprocket set combines a larger 40T gear with a robust, purpose-built kit designed for mini bikes and compact engines. Built to work with a 420 chain system, this replacement set comes complete, making installation straightforward and helping you refresh power delivery for everyday riding and light off‑road use.\u003c\/p\u003e\n\n\u003ch2\u003eFitment and Compatibility\u003c\/h2\u003e\n\u003cp\u003eEngine compatibility targets Predator 212cc and 196cc units, along with a broad range of popular mini bikes from Coleman, Baja Motorsports, Massimo, TrailMaster, Hensim, Axis, and others. The kit is tailored for different mounting patterns, so check hole patterns before installing to ensure a precise match.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSix additional mounting holes accommodate 420 chains on larger mini bikes and engines\u003c\/li\u003e\n  \u003cli\u003eFour outer holes are suitable for models like CT200U BT200X and similar setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat It Promises\u003c\/h2\u003e\n\u003cp\u003eDesigned to be larger in size, the sprocket can offer stronger acceleration and improved climbing ability across varied terrain. Precision-cut teeth promote smooth power transmission, which may reduce chain wear and contribute to longer drivetrain life with regular use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePotential for improved torque delivery on hills and uneven surfaces\u003c\/li\u003e\n  \u003cli\u003eSmoother engagement that can help extend drive chain life\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 40T 420 chain sprocket\u003c\/li\u003e\n  \u003cli\u003e1 × 420 chain 90 links\u003c\/li\u003e\n  \u003cli\u003e1 × 420 chain 42 links\u003c\/li\u003e\n  \u003cli\u003e5 × master links\u003c\/li\u003e\n  \u003cli\u003e10 × screws\u003c\/li\u003e\n  \u003cli\u003e10 × nuts\u003c\/li\u003e\n  \u003cli\u003e1 × 420 sprocket 10T\u003c\/li\u003e\n  \u003cli\u003e1 × 3\/16\" keyway\u003c\/li\u003e\n  \u003cli\u003e1 × chain breaker\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eMounting Facts and Measurements\u003c\/h2\u003e\n\u003cp\u003eImportant mounting geometry includes a 6-hole center-to-center distance of 49 mm (1.93 inches) and a 4-hole pattern at 80 mm (3.15 inches). The center hole diameter is 40 mm (1.57 inches). The middle mounting hole position helps determine model compatibility, so a quick pattern check can prevent fit issues.\u003c\/p\u003e\n\n\u003ch2\u003eCare and Longevity\u003c\/h2\u003e\n\u003cp\u003eWith proper installation and periodic inspection, this sprocket kit supports reliable power transfer on trails, tracks, and everyday riding. Regular maintenance of the chain and sprocket can help preserve performance over time.\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: Which engines and bikes is the CILOYU 420 chain sprocket compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Fits Predator 212\/196cc and various Coleman, Baja, Massimo, TrailMaster, Hensim mini bikes; verify mounting hole distances for a correct fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What’s included in the packing list?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Includes a 40T sprocket, 90-link chain, 42-link chain, master links, screws, nuts, 10T sprocket, keyway, and chain breaker.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"CILOYU","offers":[{"title":"Default Title","offer_id":42487252811861,"sku":"B0FD37K6B5","price":75.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/ciloyu-420-chain-sprocket-40t-40mm.jpg?v=1778428015","url":"https:\/\/plentytorque.co.uk\/products\/ciloyu-420-chain-mini-bike-sprocket-40t-40mm-90-42-links-replacement-for-coleman-bt200x-predator-engines","provider":"PlentyTorque","version":"1.0","type":"link"}