{"product_id":"sportyouth-18x8-50-8-18x9-50-8-inner-tubes-2-pack-heavy-duty-straight-valve","title":"SPORTYOUTH 18x8.50-8 \u0026 18x9.50-8 Inner Tubes - 2 Pack, Heavy-Duty, Straight Valve","description":"\u003ch2\u003eUpgrade your tires with SPORTYOUTH inner tubes\u003c\/h2\u003e\n\u003cp\u003eDesigned for common off-road sizes, these inner tubes slide into tires on 8-inch rims and feature a TR-13 straight valve for simple inflation. Built for durability and easy maintenance, they help you stay productive between tasks.\u003c\/p\u003e\n\u003ch3\u003eKey benefits at a glance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePerfect fit and broad compatibility with a TR-13 straight valve for straightforward inflation\u003c\/li\u003e\n\u003cli\u003eHeavy-duty rubber construction, roughly four times thicker than standard tubes, offering better air retention and resilience\u003c\/li\u003e\n\u003cli\u003eTwo tubes per pack for quick replacements and less downtime\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat you get\u003c\/h3\u003e\n\u003cp\u003eEach package includes two inner tubes sized for 18x8.50-8 and 18x9.50-8 tires on 8-inch rims, with a standard TR13 straight valve. Not intended for road use. Maximum inflation is 25 PSI; inflate with a manual pump.\u003c\/p\u003e\n\u003ch3\u003eVersatile applications\u003c\/h3\u003e\n\u003cp\u003eThese tubes suit golf carts, ATVs, wheelbarrows, lawn mowers, garden tractors, go-karts, and similar equipment. The robust rubber and simple handling help you complete routine maintenance or weekend projects more smoothly.\u003c\/p\u003e\n\u003ch3\u003eUsage tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVerify tire size before purchase to ensure compatibility with 18x8.50-8 or 18x9.50-8 configurations\u003c\/li\u003e\n\u003cli\u003eInflate up to 25 PSI using a manual pump to avoid overfilling\u003c\/li\u003e\n\u003cli\u003eInstall in minutes without special tools\u003c\/li\u003e\n\u003c\/ul\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: What sizes do these SPORTYOUTH inner tubes fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They fit 18x8.50-8 and 18x9.50-8 tires on 8-inch rims, with a TR-13 straight valve.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this suitable for road use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Not for road or highway use; intended for off-road equipment and similar tasks.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SPORTYOUTH","offers":[{"title":"Default Title","offer_id":48202866655476,"sku":"B0CH9PD9MR","price":33.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/6652\/0820\/files\/sportyouth-inner-tube-18x9-8-straight-valve.jpg?v=1778416299","url":"https:\/\/www.cerapatiogarden.com\/products\/sportyouth-18x8-50-8-18x9-50-8-inner-tubes-2-pack-heavy-duty-straight-valve","provider":"Cera Garden","version":"1.0","type":"link"}