{"product_id":"grehua-420-split-sprocket-hub-adapter-42t-6-bolt-coleman-ct200u-mini-bike-upgrade","title":"GREHUA 420 Split Sprocket \u0026 Hub Adapter — 42T, 6-Bolt, Coleman CT200U \u0026 Mini Bike Upgrade","description":"\u003cp\u003eGREHUA offers a precise gear upgrade for small bikes and go-karts with the 420 split sprocket and hub adapter. This kit pairs a lightweight 42-tooth sprocket with a dedicated hub adapter, designed to streamline gear changes and improve chain alignment across varied riding surfaces. Built to endure regular use, the components balance aluminum durability with thoughtful engineering, helping your mini bike respond quickly to throttle input while maintaining steady, measurable performance gains. The result is a more confident riding feel, whether you’re cruising around the neighborhood or tackling a dirt track.\u003c\/p\u003e\n\n\u003ch3\u003eQuality you can feel\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eForged aluminum hub adapter delivers strength without adding bulk\u003c\/li\u003e\n  \u003cli\u003ePremium aluminum alloy sprocket keeps weight low while boosting durability\u003c\/li\u003e\n  \u003cli\u003eSplit design makes gear ratio changes visible and straightforward without axle removal\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eVersatility and design\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePrecise cutter tooth design reduces friction at higher speeds for a smooth chain run\u003c\/li\u003e\n  \u003cli\u003eMiddle hole design ensures compatibility with Coleman CT200U and CT100U models\u003c\/li\u003e\n  \u003cli\u003eFits mini bikes and go-karts that use a 6-bolt wheel pattern, broadening compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWhether you’re upgrading an older favorite or setting up a new ride, this GREHUA kit offers a clear path to enhanced gearing options. The 420 chain with 42 teeth provides a balanced shift between torque and top speed that you can observe and adjust as you ride. The included hardware keeps installation straightforward, so you can focus on enjoying your upgraded setup sooner.\u003c\/p\u003e\n\n\u003ch3\u003eWhat’s in the box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 sprocket hub adapter\u003c\/li\u003e\n  \u003cli\u003e1 red split sprocket (420 chain, 42T)\u003c\/li\u003e\n  \u003cli\u003e6 screws\u003c\/li\u003e\n  \u003cli\u003e6 nuts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eNotes: The adapter features a special center hole design and can be modified to fit models such as DB30, CT100U, or Motovox if needed. This kit is designed to complement a range of popular mini bikes and small go-karts, offering a practical upgrade path without complex modifications.\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: What does the GREHUA 420 Split Sprocket kit include?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: 1 sprocket hub adapter, 1 red split sprocket (420 chain, 42T), plus 6 screws and 6 nuts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which bikes is this sprocket kit compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Fits many mini bikes and go-karts with 6-bolt wheels, including Coleman CT200U\/CT200U-EX, CT100U, Baja Warrior, MB200, and more.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GREHUA","offers":[{"title":"Default Title","offer_id":42469958910037,"sku":"B0CM22QCZ4","price":49.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/grehua-420-split-sprocket-42t.jpg?v=1778115015","url":"https:\/\/plentytorque.co.uk\/products\/grehua-420-split-sprocket-hub-adapter-42t-6-bolt-coleman-ct200u-mini-bike-upgrade","provider":"PlentyTorque","version":"1.0","type":"link"}