{"product_id":"rutu-atv-rear-sprocket-37t-420-chain-compatible-68mm-48mm-mounting-steel-heat-treated","title":"RUTU ATV Rear Sprocket 37T - 420 Chain Compatible, 68mm\/48mm Mounting, Steel, Heat-Treated","description":"\u003ch2\u003eRUTU ATV Rear Sprocket 37T — robust gearing for your quad\u003c\/h2\u003e\n\u003cp\u003eDesigned for a wide range of small-displacement ATVs and quads, this rear sprocket is built to withstand the rigors of trail riding and daily tasks. It is compatible with 420-type chains, commonly found on 50cc, 110cc, and 125cc models from brands like Tao, Roketa, Coolster, Kazuma, Sunl, and others. Before you order, verify your chain size and the mounting hole spacing (68mm center-to-center or 48mm for adjacent holes) to ensure a perfect fit.\u003c\/p\u003e\n\n\u003ch3\u003eDurable, precision-made construction\u003c\/h3\u003e\n\u003cp\u003eCrafted from premium steel, the sprocket offers corrosion resistance and long-lasting performance in mud, rain, and dirt. A heat-treated finish hardens the metal, improving strength and wear resistance, while a thoughtfully engineered radius curve between teeth helps reduce transmission friction and smooth power transfer.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e68mm mounting hole spacing (center-to-center) for opposite holes; 48mm spacing for adjacent holes.\u003c\/li\u003e\n  \u003cli\u003eBuilt to endure the vibrations and impact of off-road riding with dependable steel composition.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eGearing for real-world use\u003c\/h3\u003e\n\u003cp\u003eThe rear sprocket size you choose changes how your ATV behaves on hills and trails. Without changing the front sprocket, reducing the number of teeth can increase top speed, while increasing the teeth count boosts torque for steeper climbs. Consider pairing with the front sprocket to balance acceleration and performance for your terrain.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eIncreased teeth imply more torque for hill climbing and heavy acceleration scenarios.\u003c\/li\u003e\n  \u003cli\u003eFewer teeth can offer higher gearing for faster sectioned runs on flat terrain.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eEach kit includes mounting screws for a straightforward installation, so you can complete the upgrade with common tools and confident alignment.\u003c\/p\u003e\n\n\u003ch2\u003eWhy choose the RUTU rear sprocket?\u003c\/h2\u003e\n\u003cp\u003eThis sprocket blends sturdy materials with thoughtful design. The combination of corrosion resistance, heat-treated hardness, and a tailored tooth radius helps you get a more reliable drivetrain experience. It’s positioned to serve riders who want a practical upgrade that aligns with their riding style and local terrain, without overpromising outcomes.\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 ATVs is this sprocket compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Fits ATVs using 420 chains; check your model's sprocket size and mounting spacing (68mm or 48mm) before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will changing the rear sprocket affect performance?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, increasing teeth can boost torque for hills, while reducing teeth may raise top speed; adjust with front sprocket for balance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"RUTU","offers":[{"title":"Default Title","offer_id":42465869365333,"sku":"B0BNBSRFGK","price":33.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/rutu-atv-rear-sprocket-37t-420.jpg?v=1778026881","url":"https:\/\/plentytorque.co.uk\/products\/rutu-atv-rear-sprocket-37t-420-chain-compatible-68mm-48mm-mounting-steel-heat-treated","provider":"PlentyTorque","version":"1.0","type":"link"}