{"product_id":"jmchstore-40t-high-speed-rear-sprocket-3-hole-40-41-420-for-coleman-mini-bikes","title":"JMCHstore 40T High Speed Rear Sprocket | 3-Hole #40\/41\/420 for Coleman Mini Bikes","description":"\u003ch2\u003eUpgrade your Coleman and Mega Moto mini bikes with the JMCHstore 40T Rear Sprocket\u003c\/h2\u003e\n\u003cp\u003eDesigned for high-speed runs on flat roads, this 40-tooth rear sprocket brings a refined riding feel to compatible Coleman B200R, B200 RSV, RT200, RB200, CT200U, CT200UEX, BT200X models and Mega Moto 212\/212MAX variants. Rather than a generic replacement, it’s engineered to balance power delivery with smoother transitions, helping you maintain momentum without sacrificing control. The sprocket’s precision engineering and durable construction aim to keep your drivetrain dependable ride after ride.\u003c\/p\u003e\n\u003cp\u003eThe kit combines a robust 40-tooth gear with a \u003cstrong\u003e3+4 hole mounting\u003c\/strong\u003e design that fits a variety of 40\/41\/420 chain setups. For riders who value consistency, the center-to-center bolt pattern measures 49 mm, and the center hole diameter is 37 mm, while the overall diameter is 165 mm. With six mounting holes at 6.5 mm each, installation is intended to be straightforward on compatible frames and hubs.\u003c\/p\u003e\n\u003ch3\u003eKey benefits at a glance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e3+4 mounting compatibility with popular 40\/41\/420 chains, expanding your upgrade options.\u003c\/li\u003e\n  \u003cli\u003eDesigned for high-speed runs on flat terrain, supporting stronger speeds where conditions allow.\u003c\/li\u003e\n  \u003cli\u003ePrecision-engineered teeth help promote smooth power transfer and more consistent acceleration.\u003c\/li\u003e\n  \u003cli\u003eDurable high-strength steel construction stands up to demanding RPMs and loads.\u003c\/li\u003e\n  \u003cli\u003eCorrosion-resistant gold zinc plating provides lasting protection in diverse weather.\u003c\/li\u003e\n  \u003cli\u003eClear specifications: 40 teeth, 49 mm bolt circle, 37 mm center hole, 165 mm overall, 6.5 mm hole diameter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow it performs in real-world use\u003c\/h3\u003e\n\u003cp\u003eIn daily riding and light racing contexts, the JMCHstore 40T rear sprocket can help maintain steady drive on long straights, support brisker takeoffs from stop, and reduce abrupt gearing changes when shifting between gears on flat courses. The combination of precise teeth and robust steel construction aims to deliver reliable power transfer while resisting wear on the drivetrain over time.\u003c\/p\u003e\n\u003cp\u003eTo get the most from this upgrade, pair it with a compatible chain and ensure correct tension. The gold zinc finish not only adds a sleek look but also contributes to long-term rust protection in diverse climates. While results can vary by rider weight, terrain, and maintenance, many users report a more controlled ride and durable performance with this sprocket installed.\u003c\/p\u003e\n\u003ch3\u003eCompatibility and specs at a glance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eTeeth: 40\u003c\/li\u003e\n  \u003cli\u003eChain compatibility: 40\/41\/420\u003c\/li\u003e\n  \u003cli\u003eMounting hole circle: 49 mm (center to center)\u003c\/li\u003e\n  \u003cli\u003eCenter hole diameter: 37 mm\u003c\/li\u003e\n  \u003cli\u003eOverall diameter: 165 mm\u003c\/li\u003e\n  \u003cli\u003eMounting hole diameter: 6.5 mm x 6\u003c\/li\u003e\n\u003c\/ul\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: Is this sprocket compatible with my Coleman or Mega Moto mini bike?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Fits Coleman B200R\/B200RSV\/RT200\/RB200\/CT200U\/CT200UEX\/BT200X and Mega Moto 212 models; verify the 49 mm bolt circle.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What benefits can I expect from upgrading to the 40T 3-hole sprocket?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Possible smoother power transfer, steadier acceleration on straight runs, and improved durability thanks to steel construction and corrosion protection.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"JMCHstore","offers":[{"title":"Default Title","offer_id":42487274143829,"sku":"B0FFY68W5Y","price":56.37,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/jmchstore-40t-3-hole-sprocket-rear.jpg?v=1778428236","url":"https:\/\/plentytorque.co.uk\/products\/jmchstore-40t-high-speed-rear-sprocket-3-hole-40-41-420-for-coleman-mini-bikes","provider":"PlentyTorque","version":"1.0","type":"link"}