{"product_id":"murdvll-40t-high-torque-rear-sprocket-for-coleman-mini-bikes-zinc-plated-carbon-steel-3-4-hole-fit","title":"MurDvll 40T High-Torque Rear Sprocket for Coleman Mini Bikes — Zinc-Plated Carbon Steel, 3+4-Hole Fit","description":"\u003cp\u003e\u003cstrong\u003eMurDvll's 40-tooth high-torque rear sprocket is a durable, zinc-plated replacement designed to restore efficient power transfer and extend drivetrain life on compatible Coleman mini bikes.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis precision-cut rear sprocket is engineered for Coleman models including B200R, B200, B200RSV, RT200, RB200, CT200U, CT200UEX, and BT200X. Built around a high-strength carbon steel core with a corrosion-resistant zinc finish and a 3+4-hole cassette pattern, it accepts 40\/41\/42-tooth chain configurations and aims to reduce wear while maintaining smooth chain engagement. The design balances torque retention and rotational efficiency to suit frequent or spirited riding.\u003c\/p\u003e\n\n\u003ch3\u003eHow will this sprocket affect my bike's performance?\u003c\/h3\u003e\n\u003cp\u003eWith 40 teeth and a profile matched to common mini-bike chain pitch, the sprocket helps minimize torque loss and maintain steady power delivery. The precise tooth geometry reduces chain slippage and promotes longer component life without changing engine output.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e40-tooth profile optimized for torque retention and steady acceleration\u003c\/li\u003e\n  \u003cli\u003ePrecision-cut teeth reduce chain skipping and vibration\u003c\/li\u003e\n  \u003cli\u003eCompatible with 40\/41\/42 pitch chains for flexible fitment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill it fit my Coleman B200 \/ CT200 series mini bike?\u003c\/h3\u003e\n\u003cp\u003eThis MurDvll sprocket is made specifically for the listed Coleman models and uses a 3+4-hole cassette design to accommodate common mounting patterns. Confirm your bike’s bolt pattern against the sprocket before installation to ensure proper alignment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect compatibility with B200R, B200, B200RSV, RT200, RB200, CT200U, CT200UEX, BT200X\u003c\/li\u003e\n  \u003cli\u003e3+4-hole cassette accepts multiple bolt configurations\u003c\/li\u003e\n  \u003cli\u003eCheck hub dimensions and bolt spacing for perfect fit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and finishes protect the sprocket from wear and corrosion?\u003c\/h3\u003e\n\u003cp\u003eThe sprocket combines a high-strength carbon steel core for structural durability with a zinc-plated surface finish to resist rust and abrasion. This pairing lowers long-term chain wear and reduces the need for frequent replacements in variable riding conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCarbon steel core for impact and fatigue resistance\u003c\/li\u003e\n  \u003cli\u003eZinc plating provides corrosion protection and smoother operation\u003c\/li\u003e\n  \u003cli\u003ePrecision machining keeps tooth profiles accurate under load\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow difficult is installation and what should I check after fitting?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone familiar with standard rear-sprocket or wheel removal. After mounting, confirm chain alignment, torque the mounting bolts to spec, and verify smooth rotation under load before returning to regular use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBasic hand tools required; wheel or sprocket removal may be necessary\u003c\/li\u003e\n  \u003cli\u003eInspect chain line, tension, and bolt torque after install\u003c\/li\u003e\n  \u003cli\u003eRun a short, cautious test ride to ensure smooth engagement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Riders and home mechanics who own compatible Coleman mini-bike models and want a robust, precision-engineered replacement sprocket that reduces drivetrain wear and improves transmission efficiency. It’s suited for regular recreational riders, track-day hobbyists, and anyone who prefers a long-lasting, corrosion-resistant sprocket that fits standard 40–42 chain setups.\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: Is this sprocket compatible with a Coleman B200R?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The MurDvll 40T sprocket is compatible with B200R and other listed Coleman models that share the same bolt pattern.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can this sprocket be used with 41 or 42 tooth chains?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The 3+4-hole design accepts 40\/41\/42-tooth chain configurations, but verify chain pitch and alignment before use.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MurDvll","offers":[{"title":"Default Title","offer_id":67588931780793,"sku":"B0G3N891M9","price":81.73,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/murdvll-front-sprocket.jpg?v=1790528127","url":"https:\/\/redleafauto.ca\/products\/murdvll-40t-high-torque-rear-sprocket-for-coleman-mini-bikes-zinc-plated-carbon-steel-3-4-hole-fit","provider":"Redleaf Auto","version":"1.0","type":"link"}