{"product_id":"spitfire-formula-4-thrasher-classics-99du","title":"Spitfire Formula 4 Classics 99DU","description":"\u003cp\u003e\u003cstrong data-start=\"27\" data-end=\"68\"\u003e\u003cspan class=\"entity-underline hover:entity-accent inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eSpitfire Formula Four 99DU Wheels\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e are skateboard wheels manufactured in sets of four from \u003cstrong data-start=\"125\" data-end=\"159\"\u003eSpitfire Formula Four urethane\u003c\/strong\u003e with a \u003cstrong data-start=\"167\" data-end=\"200\"\u003e99DU (99a) durometer hardness\u003c\/strong\u003e, constructed in a \u003cstrong data-start=\"219\" data-end=\"236\"\u003eClassic shape\u003c\/strong\u003e with a \u003cstrong data-start=\"244\" data-end=\"274\"\u003emedium-width contact patch\u003c\/strong\u003e and smooth surface finish. These wheels are available in multiple diameters commonly including \u003cstrong data-start=\"370\" data-end=\"425\"\u003e52 mm, 53 mm, 54 mm, 55 mm, 56 mm, 58 mm, and 60 mm\u003c\/strong\u003e, with corresponding width and riding surface dimensions that scale with size (for example, a 52 mm wheel typically has ~32 mm width and ~15.5 mm riding surface). Formula Four urethane is a \u003cstrong data-start=\"615\" data-end=\"647\"\u003e100 % pure urethane compound\u003c\/strong\u003e designed for abrasion and flat-spot resistance and higher rebound, and the Classic wheel shape is a non-symmetrical profile with a medium contact patch for street, park, and transition skateboarding.\u003c\/p\u003e","brand":"Deluxe Distribution","offers":[{"title":"52","offer_id":43202228453450,"sku":"568477","price":46.95,"currency_code":"USD","in_stock":true},{"title":"55","offer_id":43278362869834,"sku":"765655","price":46.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0626\/2312\/1482\/files\/DSC07690.jpg?v=1767645614","url":"https:\/\/obsurfandskate.com\/products\/spitfire-formula-4-thrasher-classics-99du","provider":"Ocean Beach Surf and Skate","version":"1.0","type":"link"}