{"product_id":"parts-unlimited-heavy-duty-inner-tube-for-21-rims","title":"PARTS UNLIMITED Heavy Duty Inner Tube for 21\" Rims","description":"\u003cp\u003eEnsure maximum durability and reliability for your off-road adventures with the PARTS UNLIMITED heavy duty 21 inch inner tube. Engineered to withstand the toughest conditions, this robust inner tube provides superior protection against punctures and pinching, keeping you riding with confidence.\u003c\/p\u003e\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp\u003eThe PARTS UNLIMITED heavy duty inner tube is meticulously crafted for the demanding environment of off-road motorcycle riding. Featuring an impressive \u003cstrong\u003e2.8mm to 3.0mm thick natural rubber construction\u003c\/strong\u003e, it offers significantly enhanced resistance against punctures, pinches, and impact damage compared to standard tubes. This premium natural rubber also boasts a very high tear strength, ensuring long-lasting performance even in aggressive terrain. Designed specifically for 21\" rims, this versatile inner tube is suitable for both front and rear mounting positions, accommodating a wide range of tire sizes including 2.75-21, 3.00-21, 80\/100-21, 90\/100-21, 90\/90-21, and 100\/80-21. The integrated TR-4 (Round Base) valve stem, a center metal valve with threading and nuts, provides a secure and reliable air seal, essential for maintaining optimal tire pressure during intense rides. Invest in this durable motorcycle off-road inner tube to elevate your bike's resilience and enjoy uninterrupted trail time.\u003c\/p\u003e\u003ch2\u003eFeatures \u0026amp; Highlights\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExceptional Puncture Protection:\u003c\/strong\u003e Built with a substantial 2.8mm to 3.0mm thick rubber, this inner tube offers superior defense against punctures and pinching, minimizing flats on challenging off-road trails.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Tear Strength Natural Rubber:\u003c\/strong\u003e Constructed from premium natural rubber, it delivers outstanding tear resistance, ensuring long-term durability and reliability under extreme stress.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized for Off-Road Performance:\u003c\/strong\u003e Specifically designed to meet the rigorous demands of off-road use, providing enhanced resilience and peace of mind on rough terrain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure TR-4 Valve Stem:\u003c\/strong\u003e Equipped with a robust TR-4 (Round Base) center metal valve stem with threaded nuts, guaranteeing a dependable air seal and easy inflation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Compatibility for 21\" Rims:\u003c\/strong\u003e Perfectly fits 21\" rims and a variety of common tire sizes (2.75-21, 3.00-21, 80\/100-21, 90\/100-21, 90\/90-21, 100\/80-21), making it a versatile choice for many motorcycles.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e PARTS UNLIMITED\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Name:\u003c\/strong\u003e Inner Tube\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Motorcycle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuty:\u003c\/strong\u003e Heavy Duty\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Natural Rubber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube Thickness:\u003c\/strong\u003e 2.8 mm - 3.0 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim Diameter:\u003c\/strong\u003e 21\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Position:\u003c\/strong\u003e Front\/Rear\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Tube Valve Stem Type:\u003c\/strong\u003e TR-4 (Round Base), Center Metal Valve (Threaded\/Nuts)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits Tire Sizes:\u003c\/strong\u003e 2.75-21, 3.00-21, 80\/100-21, 90\/100-21, 90\/90-21, 100\/80-21\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnits:\u003c\/strong\u003e Each\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN\/SKU:\u003c\/strong\u003e 03500367\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVendor Part Number:\u003c\/strong\u003e B20076\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PARTS UNLIMITED","offers":[{"title":"Default Title","offer_id":62219715150154,"sku":"03500367","price":169.0,"currency_code":"DKK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0016\/9546\/files\/2d9b4429d7a12651c12cda2e10175d7b.webp?v=1781129106","url":"https:\/\/partsdenmark.dk\/products\/parts-unlimited-heavy-duty-inner-tube-for-21-rims","provider":"Parts Denmark","version":"1.0","type":"link"}