{"product_id":"pivotrax-heavy-duty-motorcycle-inner-tube-90-90-21-3-00x21-3mm-butyl-tr4-valve","title":"PIVOTRAX Heavy-Duty Motorcycle Inner Tube 90\/90-21 (3.00x21) — 3mm Butyl, TR4 Valve","description":"\u003cp\u003e\u003cstrong\u003ePIVOTRAX heavy-duty motorcycle inner tube — 3mm butyl construction with a TR4 valve for reliable off-road performance in 90\/90-21 or 80\/100-21 (3.00 x 21) tires.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis inner tube is engineered for riders who demand durable, dependable air retention for motocross, enduro, trail and adventure bikes. Built from thick butyl rubber with a seam-free profile and a TR4 valve stem, it’s optimized to resist punctures and hold pressure across rough terrain. The tube fits common 21-inch front wheel applications and pairs with a broad range of dirt and dual-sport bikes, letting you get back on the trail quickly after a flat.\u003c\/p\u003e\n\n\u003ch3\u003eHow tough is this tube for off-road use?\u003c\/h3\u003e\n\u003cp\u003eThe PIVOTRAX tube uses a 3mm butyl compound and a continuous, seam-free build to reduce vulnerability to punctures and slow leaks. That combination improves resistance against rocks, roots and other trail hazards without adding unnecessary weight.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3mm thick butyl rubber for increased puncture resilience\u003c\/li\u003e\n  \u003cli\u003eSeam-free construction to lower air-loss risk\u003c\/li\u003e\n  \u003cli\u003eDesigned for rough terrain: motocross, enduro, trail riding\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this tube fit my 21-inch front tire and bike model?\u003c\/h3\u003e\n\u003cp\u003eThis tube is specified for 90\/90-21 or 80\/100-21 (3.00 x 21) tire sizes and uses a TR4 valve stem, a common valve type for motorcycle wheels. It’s compatible with many popular off-road and dual-sport models, making it a practical replacement for a wide range of bikes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits 90\/90-21 and 80\/100-21 tire dimensions (3.00 x 21)\u003c\/li\u003e\n  \u003cli\u003eTR4 valve stem for standard wheel rim compatibility\u003c\/li\u003e\n  \u003cli\u003eWorks with numerous motocross, enduro and dual-sport models\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and maintenance?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward thanks to the TR4 valve stem and flexible butyl material that seats easily inside the tire bead. Routine maintenance is simple: check pressure before each ride and inspect for cuts or embedded debris to maximize tube life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTR4 valve simplifies pump access and rim mounting\u003c\/li\u003e\n  \u003cli\u003eFlexible butyl eases tire mounting and seating\u003c\/li\u003e\n  \u003cli\u003eLow-maintenance: visual checks and pressure monitoring recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat advantages does this tube offer over lighter consumer tubes?\u003c\/h3\u003e\n\u003cp\u003eCompared with thinner, economy tubes, the PIVOTRAX 3mm option trades minimal weight savings for significantly better durability and fewer roadside repairs. The thicker butyl and sealed construction provide steadier pressure retention and longer service between replacements.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eGreater puncture protection than thin stock tubes\u003c\/li\u003e\n  \u003cli\u003eReduced frequency of roadside patching or swaps\u003c\/li\u003e\n  \u003cli\u003eBuilt to perform under aggressive off-road conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This inner tube is intended for off-road and dual-sport riders who prioritize durability and reliability—motocross competitors, trail riders, adventure bikers and riders of 21-inch front wheels who want a robust replacement tube. It’s a practical choice for anyone seeking a tougher, longer-lasting inner tube compatible with a wide array of dirt and dual-sport motorcycles.\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: Which tire sizes does this tube fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Fits 90\/90-21 and 80\/100-21 (3.00 x 21) tire sizes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What valve type does the tube use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Equipped with a TR4 valve stem for standard motorcycle rim compatibility.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"PIVOTRAX","offers":[{"title":"Default Title","offer_id":48086315434142,"sku":"B08FWB1JRH","price":45.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/pivotrax-front-packaging-view_593cdce3-ebaf-4761-bf6f-53ce233c2009.jpg?v=1785894864","url":"https:\/\/northtrailauto.ca\/products\/pivotrax-heavy-duty-motorcycle-inner-tube-90-90-21-3-00x21-3mm-butyl-tr4-valve","provider":"North Trail Auto","version":"1.0","type":"link"}