{"product_id":"gekufa-60-tooth-go-kart-sprocket-for-40-41-420-chain-2-1-8-bore-8-hole-heat-treated-steel","title":"Gekufa 60-Tooth Go-Kart Sprocket for #40 #41 420 Chain — 2-1\/8\" Bore, 8-Hole Heat-Treated Steel","description":"\u003cp\u003e\u003cstrong\u003eGekufa's 60-tooth go-kart sprocket with a 2-1\/8\" center bore fits #40, #41 and 420 chain drive systems for dependable rear-axle power transfer.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis heavy-duty replacement sprocket is engineered for hobby go-karts, mini-bikes, ATVs, and rear-axle builds that use #40, #41 or 420 chain sizes. With a 60-tooth profile and an 8-hole mounting pattern, it offers a balanced contact surface for chain engagement and improved durability over light stamped alternatives. Read the specifications and mounting notes below to confirm fitment before install.\u003c\/p\u003e\n\n\u003ch3\u003eWill this sprocket work with my kart's chain and axle?\u003c\/h3\u003e\n\u003cp\u003eMeasure your existing setup before ordering. This sprocket accepts #40, #41 and 420 chains and has a 2-1\/8\" (approx. 54 mm) center bore; it is not compatible with #35 chains or systems requiring a different bore diameter.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eChain compatibility: #40, #41, 420\u003c\/li\u003e\n  \u003cli\u003eCenter bore: 2-1\/8\" (54 mm) — confirm hub adapter if required\u003c\/li\u003e\n  \u003cli\u003eOutside diameter: 9-3\/4\" (approx.) to check wheel well clearance\u003c\/li\u003e\n  \u003cli\u003eNot universal — compare bolt pattern and axle type\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the 8-hole pattern affect installation and performance?\u003c\/h3\u003e\n\u003cp\u003eThe sprocket's eight mounting holes distribute load evenly across the hub, which reduces wobble and concentrates stresses across more fasteners. That layout helps maintain stable chain alignment and contributes to consistent engagement during acceleration and deceleration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e8-hole bolt pattern for balanced load distribution\u003c\/li\u003e\n  \u003cli\u003eImproved stability over single- or three-hole designs\u003c\/li\u003e\n  \u003cli\u003eRequires matching hub or proper adapter for correct fit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and durability features should I expect?\u003c\/h3\u003e\n\u003cp\u003eGekufa manufactures this sprocket from heat-treated steel designed for resistance to wear and repeated chain contact. The thicker steel profile and heat treatment provide a longer service life than untreated stamped or cast alternatives under normal recreational use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHeat-treated steel construction for wear resistance\u003c\/li\u003e\n  \u003cli\u003ePrecise tooth profile to encourage smooth chain engagement\u003c\/li\u003e\n  \u003cli\u003eIntended for replacement, repair, or performance upgrade projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat is included with the sprocket and what will I need to supply?\u003c\/h3\u003e\n\u003cp\u003eThe package contains one 60-tooth sprocket only. Mounting hardware, chain, hub adapter, and axle nuts or bolts are not included, so you’ll need to reuse or purchase the correct fasteners and adapters separately.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncluded: 1 × 60T sprocket (8-hole, 2-1\/8\" bore)\u003c\/li\u003e\n  \u003cli\u003eNot included: chain, bolts, nuts, hub adapter, or mounting hardware\u003c\/li\u003e\n  \u003cli\u003eConfirm bolt spacing and bore size before drilling or modifying\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? This Gekufa 60-tooth sprocket is aimed at DIY mechanics, kart hobbyists, backyard builders, and small-vehicle owners who need a robust replacement or upgrade compatible with #40\/#41\/420 chain systems. If your project requires a 2-1\/8\" bore and an 8-hole mounting pattern—or you can adapt an existing hub—this sprocket provides a durable option for regular recreational riding. Do a careful comparison of tooth count, bore diameter, overall diameter, and bolt pattern with your original part before purchase to ensure correct fitment and safe operation.\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: Does this sprocket fit a #35 chain?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. This 60T sprocket is compatible with #40, #41, and 420 chain sizes only—not #35.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are mounting bolts included with the sprocket?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The package includes only the 60-tooth sprocket; bolts, nuts, adapters, and chain must be sourced separately.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Gekufa","offers":[{"title":"Default Title","offer_id":48085904261278,"sku":"B085Q9TGKK","price":43.23,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/gekufa-front-packaging-sprocket.jpg?v=1785880256","url":"https:\/\/northtrailauto.ca\/products\/gekufa-60-tooth-go-kart-sprocket-for-40-41-420-chain-2-1-8-bore-8-hole-heat-treated-steel","provider":"North Trail Auto","version":"1.0","type":"link"}