{"product_id":"universal-parts-4-front-rim-disk-brake-mount-144-5","title":"Universal Parts 4\" Front Rim - Disk Brake Mount","description":"\u003cp\u003eUpgrade or replace your small-wheel vehicle's front hub assembly with the premium \u003cstrong\u003eUniversal Parts 4-Inch Split Front Wheel Rim\u003c\/strong\u003e. Specifically engineered to accommodate mini gas scooters and custom pocket bikes, this durable two-piece split rim set simplifies tire installations and tube changes. It comes pre-equipped with an integrated disk brake rotor mounting hub and high-grade 6000RS shielded bearings to deliver reliable rotational stability and direct braking alignment.\u003c\/p\u003e\u003ch3\u003eAdvanced Performance Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-Piece Split Configuration:\u003c\/strong\u003e The bolt-together rim halves eliminate the struggle of stretching rigid beads over a solid wheel flange, protecting inner tubes from installation pinches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Disc Brake Hub:\u003c\/strong\u003e Features a dedicated rotor side flange designed with a 15mm recessed offset to clear standard low-profile hydraulic or mechanical calipers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Shielded Bearings:\u003c\/strong\u003e Pre-assembled with dual 6000RS rubber-sealed ball bearings to lock out grit, road grime, and moisture for sustained rolling performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eComprehensive Vehicle Wheel Fitment Index\u003c\/h3\u003e\u003cp\u003eThis compact front wheel rim is built for small-displacement gas scooters, light mobility carts, and custom recreational platforms. Review tire profile and platform compatibility below:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eTarget Tire Profiles\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003eCommon Vehicle Applications\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003e\n\u003cstrong\u003e9 x 3.50-4\u003c\/strong\u003e \u003cbr\u003e3.00-4 \u003cbr\u003e4.10\/3.50-4\u003c\/td\u003e\n\u003ctd\u003eStand-up gas scooters, vintage pocket bikes, micro go-karts, and light industrial material handling utility carts.\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp style=\"color: #b30000; font-weight: bold;\"\u003e\u003cbr\u003e\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eTechnical Sizing Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWheel Rim Nominal Diameter:\u003c\/strong\u003e 4 Inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Tire Layout:\u003c\/strong\u003e 9 x 3.50-4 Type\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Wheel Bearing Profile:\u003c\/strong\u003e 6000RS Sealed Matrix\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake Rotor Side Bearing:\u003c\/strong\u003e The rotor side bearing is recessed 15mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003cblockquote\u003e\n\u003cstrong\u003eCalifornia Prop 65 Warning:\u003c\/strong\u003e \u003cstrong\u003e\u003ca href=\"https:\/\/www.P65Warnings.ca.gov\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/strong\u003e. \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eMechanic's Installation Tip:\u003c\/strong\u003e Deflate the inner tube completely before unbolting the two rim halves to prevent the stored pressure from warping the split wheel flanges. When putting it back together, add just enough air to round out the tube, sandwich it safely between the rim halves, and torque the case bolts evenly in a cross pattern before inflating to full operating pressure.\u003c\/blockquote\u003e\u003cp style=\"font-size: 0.85em; color: #666;\"\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e 144-5 \u003cbr\u003e\u003cstrong\u003eVendor:\u003c\/strong\u003e Universal Parts \u003cbr\u003e\u003cstrong\u003eCategory:\u003c\/strong\u003e Motor Vehicle Rims \u0026amp; Wheels\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCalifornia Prop 65 Warning:\u003c\/strong\u003e \u003cstrong\u003e\u003ca href=\"https:\/\/www.P65Warnings.ca.gov\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Universal Parts","offers":[{"title":"Default Title","offer_id":49986017722648,"sku":"144-5","price":17.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/files\/450579.jpg?v=1780523741","url":"https:\/\/www.scooterworks.com\/products\/universal-parts-4-front-rim-disk-brake-mount-144-5","provider":"Scooterworks USA, LLC","version":"1.0","type":"link"}