{"product_id":"coefepiy-4-x-4-live-axle-hub-for-go-karts-atvs-1-to-3-4-step-down-8-wheel-2-3-4-length","title":"COEFEPIY 4\" x 4\" Live Axle Hub for Go-Karts \u0026 ATVs — 1\" to 3\/4\" Step-Down, 8\" Wheel, 2-3\/4\" Length","description":"\u003cp\u003e\u003cstrong\u003eCOEFEPIY's 4\" x 4\" live axle hub is a step-down metal hub that adapts a 1\" inboard shaft to a 3\/4\" outboard shaft, designed for go-karts, ATVs, golf trikes and small dune buggies using 8\" wheels.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis precision-machined hub provides a compact, durable solution when you need to join a live axle to smaller-diameter wheel spindles. Built from premium metal with a 2-3\/4\" hub length and a 1\/4\" keyway slot, it eases installation while maintaining reliable torque transfer. Included hardware and a flat key are tailored to the hub seat, so you get a near-complete mounting kit out of the box.\u003c\/p\u003e\n\n\u003ch3\u003eWhat exactly are the hub's dimensions and shaft step-down specs?\u003c\/h3\u003e\n\u003cp\u003eThe hub measures roughly 5\" in outside diameter with a 2-3\/4\" hub length. It steps down the inboard shaft from 1\" to a 3\/4\" outboard shaft, making it compatible with common kart and small ATV axle setups.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOutside diameter: 5\"\u003c\/li\u003e\n  \u003cli\u003eHub length: 2-3\/4\"\u003c\/li\u003e\n  \u003cli\u003eInboard shaft diameter: 1\"\u003c\/li\u003e\n  \u003cli\u003eOutboard shaft diameter: 3\/4\"\u003c\/li\u003e\n  \u003cli\u003eKeyway: 1\/4\" slot for secure coupling\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this hub attach to wheels and axles?\u003c\/h3\u003e\n\u003cp\u003eMounting is straightforward: slide the hub onto the axle, align the 1\/4\" keyway with the included flat key, then secure the wheel with the four lug nuts. The hub's stepped bore and keyway create a positive drive connection without needing additional machining.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSlide the hub onto the axle and fit the flat key into the keyway.\u003c\/li\u003e\n  \u003cli\u003eTighten supplied lug nuts to clamp wheels with 8\" diameter rims.\u003c\/li\u003e\n  \u003cli\u003eVerify shaft seating and torque to manufacturer recommendations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich vehicles and wheel sizes will this hub fit?\u003c\/h3\u003e\n\u003cp\u003eThis hub is intended for small off-road and recreational vehicles that use 8\" wheels and live axle configurations. It's commonly used on go-karts, compact ATVs, golf trikes, and lightweight dune buggies that require a 1\" to 3\/4\" step-down adapter.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible wheel size: 8\" wheels.\u003c\/li\u003e\n  \u003cli\u003eVehicles: go-karts, golf trikes, small ATVs, dune buggies.\u003c\/li\u003e\n  \u003cli\u003eWorks with live axle setups using a 1\" inboard shaft.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and hardware come with the hub, and how durable is it?\u003c\/h3\u003e\n\u003cp\u003eThe hub is fabricated from premium metal to resist wear from torque and road stresses. It ships with a flat key sized for the keyway and four lug nuts for wheel attachment, giving you the essential parts for installation; regular inspection and correct torqueing extend service life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMaterial: high-quality metal construction for strength and durability.\u003c\/li\u003e\n  \u003cli\u003eIncluded hardware: flat key for keyway and four lug nuts.\u003c\/li\u003e\n  \u003cli\u003eDesign: keyed step-down bore for secure torque transfer.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This COEFEPIY live axle hub is aimed at DIY builders, small-vehicle repair shops, and hobbyists converting or repairing go-karts, golf trikes, light ATVs, or dune buggies that use 8\" wheels and require a 1\" to 3\/4\" shaft adapter. Installers who want a ready-to-fit hub with included key and lug nuts will appreciate the straightforward fitment; users should confirm shaft tolerances and wheel specifications before purchase.\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: Will this hub fit a 1\" axle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The hub accepts a 1\" inboard shaft and steps down to a 3\/4\" outboard diameter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are lug nuts and key included?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The hub ships with a flat key sized for the 1\/4\" keyway and four lug nuts.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"COEFEPIY","offers":[{"title":"Default Title","offer_id":48084147404958,"sku":"B0FN6L5BCV","price":78.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/coefepiy-front-view-hub.jpg?v=1785847395","url":"https:\/\/northtrailauto.ca\/products\/coefepiy-4-x-4-live-axle-hub-for-go-karts-atvs-1-to-3-4-step-down-8-wheel-2-3-4-length","provider":"North Trail Auto","version":"1.0","type":"link"}