{"product_id":"ar-pro-2-pack-3-00-16-3-25-3-50-16-inner-tubes-for-dirt","title":"AR-PRO (2-Pack) 3.00-16 3.25\/3.50-16 Inner Tubes for Dirt","description":"\u003cp\u003e\u003cstrong\u003eThese AR-PRO 3.00-16 \/ 3.25-3.50-16 inner tubes are heavy-duty butyl replacements designed to fit 16-inch off-road motorcycle tires and deliver improved air retention and durability.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you ride motocross, trail, or pit bikes, using a reliable inner tube matters for handling and convenience. AR-PRO supplies a two-pack of thick butyl tubes sized to fit common 16-inch tire dimensions (including 3.25\/3.50-16 and 90\/100-16 ranges) and equipped with a TR4 straight valve stem. These tubes are built to resist punctures, maintain pressure, and simplify field repairs, so you can spend more time riding and less time fixing flats.\u003c\/p\u003e\n\n\u003ch3\u003eWhat tire sizes and bikes do these tubes fit?\u003c\/h3\u003e\n\u003cp\u003eThese tubes are made to match a variety of 16-inch dirt bike and mini pit bike tires. They work with 3.25-16 and 3.50-16 tire widths as well as metric sizes like 90\/90-16, 90\/100-16, 100\/80-16, and 100\/90-16. Check your current tire sidewall to confirm compatibility before installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible widths: 3.00–3.50-16 and corresponding metric sizes\u003c\/li\u003e\n  \u003cli\u003eCommon bikes: 50cc–110cc pit bikes, older street-legal 16\" wheel motorcycles\u003c\/li\u003e\n  \u003cli\u003eUse as front or rear tube depending on tire size match\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the butyl rubber construction improve performance on trails?\u003c\/h3\u003e\n\u003cp\u003eButyl rubber offers better air retention than many natural rubber alternatives, which means fewer mid-ride pressure drops. The thicker compound also absorbs impacts and reduces pinch-flat risk when encountering rocks, roots, or edge impacts on uneven terrain.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThick butyl resists slow leaks and holds tire pressure longer\u003c\/li\u003e\n  \u003cli\u003eImproved shock absorption smooths small vibrations and impacts\u003c\/li\u003e\n  \u003cli\u003eGreater puncture and pinch-flat resistance on rough surfaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the benefits of the TR4 straight valve stem?\u003c\/h3\u003e\n\u003cp\u003eThe tubes use a TR4 straight valve stem with a rubber-coated base to secure a tight seal and reduce the chance of air loss at the stem. The valve design is straightforward for pump compatibility and prevents grit and debris from compromising the seal during off-road use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTR4 valve fits standard pumps and gauges without adapters\u003c\/li\u003e\n  \u003cli\u003eRubber-coated base prevents sand and dust infiltration\u003c\/li\u003e\n  \u003cli\u003eTear-resistant valve base reduces chance of valve failure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy buy the 2-pack and what should I expect from installation?\u003c\/h3\u003e\n\u003cp\u003eThe twin-pack includes two identical tubes so you can replace both front and rear or keep a spare for trail repairs. Installation follows the usual inner-tube mounting steps: partially inflate, insert, seat bead, then inflate to recommended pressure—inspect for pinch points and use soapy water to check for leaks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTwo tubes for immediate replacement and a backup on long rides\u003c\/li\u003e\n  \u003cli\u003eSimple installation—partial inflation, seat bead, finish to recommended PSI\u003c\/li\u003e\n  \u003cli\u003eInspect rim tape and tire interior to prevent repeated punctures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Riders who want dependable, budget-friendly replacement inner tubes for 16-inch dirt bike and pit bike wheels. The AR-PRO two-pack suits weekend trail riders, motocross hobbyists, and owners of small-displacement off-road motorcycles who need tubes with strong air retention, a durable valve, and better resistance to common trail hazards—without complicated upgrades or specialized tools.\u003c\/p\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: Will these tubes fit my 100\/90-16 rear tire?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The AR-PRO tubes are compatible with 100\/90-16 tires and equivalent 3.25\/3.50-16 sizes—verify your tire sidewall before installing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use a standard floor pump with the TR4 valve?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The TR4 straight valve accepts common pumps and pressure gauges without needing special adapters.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AR-PRO","offers":[{"title":"Default Title","offer_id":48087125459102,"sku":"B0FL29GW3N","price":30.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/ar-pro-front-packaging_e3ef4b44-d3cd-4f51-8d2e-55eb3f298d18.jpg?v=1785917262","url":"https:\/\/northtrailauto.ca\/products\/ar-pro-2-pack-3-00-16-3-25-3-50-16-inner-tubes-for-dirt","provider":"North Trail Auto","version":"1.0","type":"link"}