{"product_id":"ar-pro-2-pack-universal-145-70-6-atv-inner-tubes-heavy-duty-450-530-6-90cc-atv-go-kart","title":"AR-PRO (2-Pack) Universal 145\/70-6 ATV Inner Tubes – Heavy Duty 450\/530-6, 90cc ATV \u0026 Go-Kart","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eMeet AR-PRO with a practical, ready-to-use spare set: a 2-pack of universal inner tubes designed to cover multiple small-vehicle tires. These tubes are crafted to replace not only 145\/70-6 tires but also several other common sizes, making maintenance more convenient for hobbyists and small shop setups.\u003c\/p\u003e\u003cp\u003eThe versatility extends to 450\/530-6 sizes and 4.50-6, 5.30-6, and 5.30\/4.50-6 tires. This flexibility helps you keep essential gear on the road, whether you are servicing an ATV, go-kart, lawn equipment, or light-duty wheeled tools.\u003c\/p\u003e\u003ch3\u003eCompatibility and Use Cases\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUniversal fit reduces the number of spare tubes you need for mixed fleets of small tires.\u003c\/li\u003e\n\u003cli\u003eIdeal for common equipment such as 90cc four-wheelers, mini choppers, go-karts, hand trucks, dollies, wagons, and lawn care machines.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDurability and Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThicker construction provides self-sealing properties that help form airtight seals around puncture holes, aiming to minimize sudden deflation.\u003c\/li\u003e\n\u003cli\u003eMade with a butyl rubber compound, these tubes offer enhanced elastic damping, which can complement vehicle suspension for a steadier ride on uneven surfaces.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eValve Details and Fitment\u003c\/h3\u003e\u003cp\u003eThe TR13 straight valve stem is rubber-covered and rated up to 60 psi. It features roughly a 1.5-inch offset from the tube center, a 1.38-inch stem length, and about 0.453 inch width, designed to fit most 1\/2-inch rim holes; adapters like B6 rim bushings expand compatibility for larger rims.\u003c\/p\u003e\u003ch3\u003eReal-World Benefits\u003c\/h3\u003e\u003cp\u003eRiders may experience a more comfortable ride thanks to improved damping, especially on rough terrain. The self-sealing design helps maintain air pressure between checks, while the 2-pack format offers value for seasonal or shared equipment kits.\u003c\/p\u003e\u003ch3\u003eTips for Use\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCheck tire size compatibility before purchase to ensure a proper fit with your wheels.\u003c\/li\u003e\n\u003cli\u003eFollow correct mounting procedures to avoid pinch flats during installation.\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: Which tire sizes do AR-PRO (2-Pack) inner tubes fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They fit 145\/70-6 and also 450\/530-6, 4.50-6, 5.30-6, and 5.30\/4.50-6 tires.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are the benefits of these inner tubes?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Thicker, self-sealing butyl tubes offer air retention and improved damping for a smoother ride.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AR-PRO","offers":[{"title":"Default Title","offer_id":48185539297524,"sku":"B08YYJ714R","price":22.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/6652\/0820\/files\/ar-pro-universal-145-70-6-inner-tubes-2-pack.jpg?v=1778381215","url":"https:\/\/www.cerapatiogarden.com\/products\/ar-pro-2-pack-universal-145-70-6-atv-inner-tubes-heavy-duty-450-530-6-90cc-atv-go-kart","provider":"Cera Garden","version":"1.0","type":"link"}