{"product_id":"ar-pro-heavy-duty-motorcycle-inner-tubes-2-50-3-00-18-2-pack-3mm-butyl-tr4-valve","title":"AR-PRO Heavy-Duty Motorcycle Inner Tubes 2.50\/3.00-18 2-Pack — 3mm Butyl, TR4 Valve","description":"\u003cp\u003e\u003cstrong\u003eAR-PRO 2.50\/3.00-18 inner tubes are heavy-duty 3mm butyl replacement tubes with reinforced TR4 valve stems, sold in a 2-pack for reliable off-road and dual-sport performance.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese inner tubes are built for riders who demand durability and consistent air retention in challenging conditions. Constructed from thick 3mm butyl rubber and featuring a sturdy TR4 straight metal valve stem, the tubes are sized to fit common 18\" tire widths (2.50-18, 2.75-18, 3.00-18) and metric designations (80\/90-18, 80\/100-18, 90\/90-18). The seamless, reinforced design helps resist punctures, absorbs impacts, and maintains inflation across a wide range of temperatures—making them suited for dirt bikes, enduro, dual-sport, trail and off-road motorcycles. Sold as a pair, they provide a ready spare for quick roadside replacements or an all-season fit for daily riding.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these tubes handle rough terrain?\u003c\/h3\u003e\n\u003cp\u003eThe 3mm butyl compound increases puncture resistance and helps the tube hold shape under stress, so it endures trail hazards better than thinner tubes. Reinforced seams and a metal TR4 valve stem reduce the chance of sudden failure from impacts or vibration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3mm butyl rubber for stronger puncture and abrasion resistance\u003c\/li\u003e\n  \u003cli\u003eSeamless construction to limit weak points\u003c\/li\u003e\n  \u003cli\u003eReinforced TR4 straight metal valve stem resists bending and leakage\u003c\/li\u003e\n  \u003cli\u003eShock-absorbing thickness for improved bump damping\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these fit my motorcycle tire sizes?\u003c\/h3\u003e\n\u003cp\u003eYes—these tubes are sized to fit 2.50-18, 2.75-18 and 3.00-18 tires and are compatible with common metric tire markings such as 80\/90-18, 80\/100-18 and 90\/90-18. They are intended for 18\" wheels used on many dirt bikes, dual-sport and enduro machines.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for 18\" wheel diameters\u003c\/li\u003e\n  \u003cli\u003eCompatible with 2.50–3.00 tire widths and equivalent metric sizes\u003c\/li\u003e\n  \u003cli\u003eWorks with off-road and dual-sport tire profiles\u003c\/li\u003e\n  \u003cli\u003eSold as a 2-pack for front and rear coverage or spare storage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and maintenance?\u003c\/h3\u003e\n\u003cp\u003eInstallation follows standard inner-tube fitting procedures and the robust TR4 valve stem simplifies inflation and pressure checks. The butyl material resists ambient temperature shifts, so inflation stays more consistent through seasonal changes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard tube mounting—install with proper tire bead seating\u003c\/li\u003e\n  \u003cli\u003eTR4 valve stem for straightforward pumping and sealing\u003c\/li\u003e\n  \u003cli\u003eHeat- and cold-resistant butyl for stable pressure retention\u003c\/li\u003e\n  \u003cli\u003eReplaceable pair reduces downtime; keep one as a spare\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat riding styles benefit most from these tubes?\u003c\/h3\u003e\n\u003cp\u003eThese heavy-duty tubes are optimized for riders who face rough trails, rocky sections, or daily commuting where reliability matters. They prioritize durability and comfort rather than ultra-lightweight racing setups.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTrail and enduro riders seeking puncture resistance\u003c\/li\u003e\n  \u003cli\u003eDual-sport commuters who need dependable daily performance\u003c\/li\u003e\n  \u003cli\u003eOff-road enthusiasts who want shock-absorbing tube thickness\u003c\/li\u003e\n  \u003cli\u003eMechanics and touring riders who prefer carrying a spare tube\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The AR-PRO 2-pack of 2.50\/3.00-18 inner tubes is aimed at dirt bike, enduro, dual-sport and off-road riders who need rugged, dependable replacements that withstand impacts and temperature changes. Choose these tubes if you want thicker 3mm butyl construction, a reinforced TR4 valve for secure inflation, and a pair that fits widely used 18\" tire sizes. They’re a practical upgrade for regular trail use, long-distance dual-sport rides, or anyone who keeps spares for quick roadside repairs.\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: Do these tubes fit 80\/90-18 tires?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. They fit 2.50–3.00-18 tubes and are compatible with 80\/90-18, 80\/100-18 and 90\/90-18 tire markings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are the valve stems metal or rubber?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They use reinforced TR4 straight metal valve stems for stronger sealing and less bending.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AR-PRO","offers":[{"title":"Default Title","offer_id":48087162519710,"sku":"B0G4VF4CLM","price":34.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/ar-pro-front-packaging-tubes.jpg?v=1785918076","url":"https:\/\/northtrailauto.ca\/products\/ar-pro-heavy-duty-motorcycle-inner-tubes-2-50-3-00-18-2-pack-3mm-butyl-tr4-valve","provider":"North Trail Auto","version":"1.0","type":"link"}