{"product_id":"rtx-st-18x7-5-20-black-5x115mm-71-5mm","title":"RTX Steel 18x7.5 +20mm Black","description":"\u003ch2\u003eAbout RTX Wheels\u003c\/h2\u003e\n\u003cp\u003eRTX is a wheel brand distributed by Transamerican Auto Parts and positioned as an entry-level to mid-range aftermarket option for passenger cars, trucks, and SUVs. The brand focuses on delivering affordable steel and alloy wheels designed to meet OE-style fitments as well as light custom applications.\u003c\/p\u003e\u003cp\u003eRTX wheels are recognized for their broad fitment coverage, making them a common choice for replacement and value-oriented upgrades. Finishes typically include machined, painted, and multi-spoke alloy styles suited to everyday driving.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRTX\u003c\/strong\u003e targets budget-conscious consumers who prioritize functional reliability and straightforward aesthetics over premium styling or performance-focused construction.\u003c\/p\u003e\n\u003ch2\u003eAbout the RTX \u003c\/h2\u003e\n\u003cp\u003eThe RTX ST in 18x7.5 is built around a 5x115 bolt pattern with a 71.5mm centerbore, a specification that corresponds directly to OEM hub dimensions on vehicles such as the Dodge Charger, Dodge Challenger, and Chrysler 300. That centerbore precision matters: when a wheel seats hub-centrically, load transfer occurs through the hub rather than the lug hardware alone, resulting in smoother rotation and reduced long-term stress on fasteners. No hub-centric rings are required for these fitments.\u003c\/p\u003e\u003cp\u003eAt an 18-inch diameter and 7.5-inch width with a +20mm offset, this configuration places the wheel face with a slightly more aggressive outward position within the wheel well — a look that suits the wide-body proportions of these American performance platforms without sacrificing the clean, composed aesthetic that separates a well-chosen wheel from a merely loud one. The Black finish keeps the visual tone disciplined and purposeful.\u003c\/p\u003e\u003cp\u003eA load rating of 730 kg per wheel speaks to the structural demands of heavier rear-wheel-drive platforms, where torsional stress during acceleration places real requirements on wheel integrity. RTX designs the ST to meet those demands with consistency across its full rated range.\u003c\/p\u003e\u003cp\u003eEvery RTX ST 18x7.5 ships free to the Lower 48 states through TFS Wheels, and every purchase is backed by our 100% fitment guarantee. Learn more through our \u003ca href=\"https:\/\/tfswheels.com\/pages\/shipping-and-delivery\"\u003eShipping and Delivery\u003c\/a\u003e page, \u003ca href=\"https:\/\/tfswheels.com\/pages\/return-policy\"\u003eReturn Policy\u003c\/a\u003e, or our \u003ca href=\"https:\/\/tfswheels.com\/pages\/faqs\"\u003eFAQ\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e RTX\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 18\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 7.5\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOffset:\u003c\/strong\u003e +20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt Pattern:\u003c\/strong\u003e 5x115\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHub Bore:\u003c\/strong\u003e 71.5mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 33\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp\u003eConfirmed fitment for 459 vehicles across 5 makes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2024-2026 Buick Envista Avenir\u003c\/li\u003e\n\u003cli\u003e2024-2026 Buick Envista Preferred\u003c\/li\u003e\n\u003cli\u003e2024-2026 Buick Envista Sport Touring\u003c\/li\u003e\n\u003cli\u003e2018-2019 Buick LaCrosse Avenir\u003c\/li\u003e\n\u003cli\u003e2017-2019 Buick LaCrosse Base\u003c\/li\u003e\n\u003cli\u003e2017-2019 Buick LaCrosse Essence\u003c\/li\u003e\n\u003cli\u003e2017-2019 Buick LaCrosse Preferred\u003c\/li\u003e\n\u003cli\u003e2017-2019 Buick LaCrosse Premium\u003c\/li\u003e\n\u003cli\u003e2019 Buick LaCrosse Sport Touring\u003c\/li\u003e\n\u003cli\u003e2025-2026 Chevrolet Equinox ACTIV\u003c\/li\u003e\n\u003cli\u003e2025-2026 Chevrolet Equinox LT\u003c\/li\u003e\n\u003cli\u003e2025-2026 Chevrolet Equinox RS\u003c\/li\u003e\n\u003cli\u003e2024-2026 Chevrolet Trax ACTIV\u003c\/li\u003e\n\u003cli\u003e2024-2026 Chevrolet Trax LS\u003c\/li\u003e\n\u003cli\u003e2024-2026 Chevrolet Trax LT\u003c\/li\u003e\n\u003cli\u003e2024-2026 Chevrolet Trax RS\u003c\/li\u003e\n\u003cli\u003e2005-2014 Chrysler 300 Base\u003c\/li\u003e\n\u003cli\u003e2005-2020 Chrysler 300 C\u003c\/li\u003e\n\u003cli\u003e2012-2014 Chrysler 300 C Luxury\u003c\/li\u003e\n\u003cli\u003e2015-2017 Chrysler 300 C Platinum\u003c\/li\u003e\n\u003cli\u003e2007-2020 Chrysler 300 Limited\u003c\/li\u003e\n\u003cli\u003e2008-2009 Chrysler 300 LX\u003c\/li\u003e\n\u003cli\u003e2010-2023 Chrysler 300 S\u003c\/li\u003e\n\u003cli\u003e2009 Chrysler 300 Signature Series\u003c\/li\u003e\n\u003cli\u003e2007-2023 Chrysler 300 Touring\u003c\/li\u003e\n\u003cli\u003e2018-2023 Chrysler 300 Touring L\u003c\/li\u003e\n\u003cli\u003e2009-2010 Dodge Challenger Base\u003c\/li\u003e\n\u003cli\u003e2019-2022 Dodge Challenger GT\u003c\/li\u003e\n\u003cli\u003e2009-2023 Dodge Challenger R\/T\u003c\/li\u003e\n\u003cli\u003e2012-2014 Dodge Challenger R\/T Classic\u003c\/li\u003e\n\u003cli\u003e2015-2016 Dodge Challenger R\/T Plus\u003c\/li\u003e\n\u003cli\u003e2016 Dodge Challenger R\/T Plus Shaker\u003c\/li\u003e\n\u003cli\u003e2016-2019 Dodge Challenger R\/T Scat Pack\u003c\/li\u003e\n\u003cli\u003e2016 Dodge Challenger R\/T Shaker\u003c\/li\u003e\n\u003cli\u003e2014 Dodge Challenger Rallye Redline\u003c\/li\u003e\n\u003cli\u003e2015 Dodge Challenger Scat Pack\u003c\/li\u003e\n\u003cli\u003e2009-2011 Dodge Challenger SE\u003c\/li\u003e\n\u003cli\u003e2009-2021 Dodge Challenger SXT\u003c\/li\u003e\n\u003cli\u003e2011-2018 Dodge Challenger SXT Plus\u003c\/li\u003e\n\u003cli\u003e2017-2018 Dodge Challenger T\/A\u003c\/li\u003e\n\u003cli\u003e2006-2007 Dodge Charger Base\u003c\/li\u003e\n\u003cli\u003e2017-2018 Dodge Charger Daytona\u003c\/li\u003e\n\u003cli\u003e2006 Dodge Charger Daytona R\/T\u003c\/li\u003e\n\u003cli\u003e2012-2023 Dodge Charger Enforcer\u003c\/li\u003e\n\u003cli\u003e2018-2023 Dodge Charger GT\u003c\/li\u003e\n\u003cli\u003e2018 Dodge Charger GT Plus\u003c\/li\u003e\n\u003cli\u003e2006-2023 Dodge Charger Pursuit\u003c\/li\u003e\n\u003cli\u003e2006-2023 Dodge Charger R\/T\u003c\/li\u003e\n\u003cli\u003e2011-2016 Dodge Charger R\/T Road \u0026amp; Track\u003c\/li\u003e\n\u003cli\u003e2015-2017 Dodge Charger R\/T Scat Pack\u003c\/li\u003e\n\u003cli\u003e2019 Dodge Charger Scat Pack\u003c\/li\u003e\n\u003cli\u003e2006-2017 Dodge Charger SE\u003c\/li\u003e\n\u003cli\u003e2006-2023 Dodge Charger SXT\u003c\/li\u003e\n\u003cli\u003e2011-2021 Dodge Charger SXT Plus\u003c\/li\u003e\n\u003cli\u003e2018 Dodge Charger SXT Plus Leather\u003c\/li\u003e\n\u003cli\u003e2006-2007 Dodge Magnum Base\u003c\/li\u003e\n\u003cli\u003e2005-2008 Dodge Magnum R\/T\u003c\/li\u003e\n\u003cli\u003e2005-2008 Dodge Magnum SE\u003c\/li\u003e\n\u003cli\u003e2005-2008 Dodge Magnum SXT\u003c\/li\u003e\n\u003cli\u003e2005 Dodge Magnum SXT Special Edition\u003c\/li\u003e\n\u003cli\u003e2026 GMC Terrain AT4\u003c\/li\u003e\n\u003cli\u003e2026 GMC Terrain Denali\u003c\/li\u003e\n\u003cli\u003e2025-2026 GMC Terrain Elevation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFirst-Time Buyer Offer — WELCOME5-AI\u003c\/h2\u003e\u003cp\u003eIf this is your first order with TFS Wheels, take 5% off any wheel or wheel-and-tire package by adding 4 wheels to your cart and applying the code \u003cstrong\u003eWELCOME5-AI\u003c\/strong\u003e at checkout. The offer applies once per customer.\u003c\/p\u003e\n\u003ch2\u003eFree Shipping (Lower 48)\u003c\/h2\u003e\u003cp\u003eFree shipping on every order — wheels, tires, and accessories — to the contiguous United States. No minimum order, no hidden fees.\u003c\/p\u003e\u003cp\u003eStandard delivery is 4–7 business days; expedited is 1–4 business days. Orders placed before 1:00 PM ET typically ship the same day. We do not ship internationally or to PO boxes.\u003c\/p\u003e\n\u003ch2\u003eFitment Guarantee\u003c\/h2\u003e\u003cp\u003eIf a wheel marked \"Direct Fit\" or \"Aftermarket Fit\" for your vehicle arrives and does not fit as expected, we cover both the restocking fee and return shipping. The same applies if the bolt pattern does not match — provided your vehicle information was submitted at checkout.\u003c\/p\u003e\u003cp\u003eTo qualify for the guarantee, enter your year, make, model, and submodel before placing the order.\u003c\/p\u003e\n\u003ch2\u003eReturns\u003c\/h2\u003e\u003cp\u003eReturns are accepted within 30 days of purchase on items in new, unused condition. A 25% restocking fee applies to general (change-of-mind) returns, and the buyer covers return shipping.\u003c\/p\u003e\u003cp\u003eThe restocking fee and return shipping are waived for incorrect items, transit damage, or fitment issues when vehicle information was provided at checkout. Single wheels, single tires, mounted items, special orders, and accessories (lug nuts, locks, hub-centric rings, TPMS sensors, installation kits) are final sale.\u003c\/p\u003e\n\u003ch2\u003eNeed Help?\u003c\/h2\u003e\n\u003cp\u003eTalk to a wheel fitment expert: \u003cstrong\u003e\u003ca href=\"tel:+18772902955\"\u003e(877) 290-2955\u003c\/a\u003e\u003c\/strong\u003e or \u003ca href=\"mailto:sales@tfswheels.com\"\u003esales@tfswheels.com\u003c\/a\u003e (Mon–Fri 9am–5pm ET).\u003c\/p\u003e","brand":"RTX","offers":[{"title":"Default Title","offer_id":44068051222679,"sku":"X48550","price":307.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0635\/2411\/0487\/files\/WEB_Article_4629260965854731.png?v=1713570718","url":"https:\/\/tfswheels.com\/products\/rtx-st-18x7-5-20-black-5x115mm-71-5mm","provider":"TFS Wheels","version":"1.0","type":"link"}