{"product_id":"mitas-ultra-heavy-duty-inner-tubes-4mm","title":"Mitas Tyres - Ultra Heavy Duty Motorcycle Inner Tubes","description":"\u003ch1\u003eMitas Tyres Ultra Heavy Duty Inner Tubes\u003cbr\u003e\n\u003c\/h1\u003e\n\u003cp id=\"p-rc_f8deabac7c5dc41a-373\"\u003eThe Mitas Ultra Heavy Duty (UHD) inner tubes are engineered for the most demanding hard enduro, motocross, and extreme off-road conditions. \u003cspan class=\"citation-926 citation-end-926\"\u003eManufactured to a massive 4.0mm thickness, these tubes provide the highest level of mechanical defense against pinch flats (snake bites) caused by violent rim strikes, as well as punctures from sharp rocks, roots, and thorns.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp id=\"p-rc_f8deabac7c5dc41a-374\"\u003e\u003cspan class=\"citation-925 citation-end-925\"\u003eConstructed from a premium, high-quality butyl rubber compound, the Mitas UHD tube offers superior air retention over long periods compared to natural rubber.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-924 citation-end-924\"\u003eThis advanced synthetic material is highly impermeable and designed to maintain its elasticity and durability through countless heat cycles without degrading.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-923 citation-end-923\"\u003eEach tube features a premium galvanized TR-6 straight metal valve stem with a dual washer and nut system to ensure a secure, tear-resistant fitment on traditional spoked motorcycle rims.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-922 citation-end-922\"\u003eTo guarantee factory-fresh quality, Mitas packages every UHD tube in a nitrogen-rich atmosphere to extend its shelf life before installation.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003ch4\u003eFeatures:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_f8deabac7c5dc41a-375\"\u003e\u003cb\u003e4.0mm UHD Thickness:\u003c\/b\u003e \u003cspan class=\"citation-921 citation-end-921\"\u003eBuilt exceptionally thick to provide maximum insurance against impact pinch flats and trail debris punctures.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_f8deabac7c5dc41a-376\"\u003e\u003cb\u003ePremium Butyl Rubber:\u003c\/b\u003e \u003cspan class=\"citation-920 citation-end-920\"\u003eAdvanced synthetic compound offers exceptional air retention and resists degrading from extreme heat cycles.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_f8deabac7c5dc41a-377\"\u003e\u003cb\u003eTR-6 Metal Valve Stem:\u003c\/b\u003e \u003cspan class=\"citation-919 citation-end-919\"\u003eFeatures a highly durable, galvanized straight metal valve base with a dual washer and nut system to prevent tearing during low-pressure riding.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_f8deabac7c5dc41a-378\"\u003e\u003cb\u003eNitrogen Packaged:\u003c\/b\u003e \u003cspan class=\"citation-918 citation-end-918\"\u003eRetailed in individual sealed pouches packed in a nitrogen-rich atmosphere to preserve the rubber compound's integrity during storage.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp id=\"p-rc_f8deabac7c5dc41a-379\"\u003e\u003cb\u003eExtreme Application:\u003c\/b\u003e \u003cspan class=\"citation-917 citation-end-917\"\u003eThe ultimate choice for hard enduro, desert racing, and aggressive trail riders who demand maximum tube durability.\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eBroad Size Range:\u003c\/b\u003e Available in a wide variety of front and rear wheel sizes to fit modern full-size dirt bikes and dual-sports.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWhat's in the Box:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e1x Mitas 4.0mm Ultra Heavy Duty Inner Tube\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1x Valve Core and Cap (Pre-installed)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment Notes:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eWheel Fitment:\u003c\/b\u003e Designed specifically for tube-type (TT) spoked motorcycle rims.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSizing:\u003c\/b\u003e Ensure you select the tube size that corresponds with both the diameter of your wheel and the width of your tire. Because the 4.0mm rubber is extremely thick, sizing up or down incorrectly will cause the tube to fold or stretch unevenly inside the tire.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cb\u003eThe Baby Powder Hack:\u003c\/b\u003e Avoid installing an inner tube \"dry\". Before stuffing the tube into the tire carcass, put a handful of standard baby powder (talcum powder) inside a plastic bag with the tube and shake it up. The powder acts as a dry lubricant, allowing the tube to easily unfold and settle evenly inside the tire when inflated, entirely preventing friction chafing and pinch points.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSizing:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e21 Inch\n\u003cul\u003e\n\u003cli\u003e100\/80-21\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e90\/100-21 \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e90\/90-21 \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e90\/80-21\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e80\/100-21\u003c\/li\u003e\n\u003cli\u003e80\/90-21\u003c\/li\u003e\n\u003cli\u003e3.60-21\u003c\/li\u003e\n\u003cli\u003e3.25-21\u003c\/li\u003e\n\u003cli\u003e3.00-21\u003c\/li\u003e\n\u003cli\u003e2.75-21\u003c\/li\u003e\n\u003cli\u003e2.50-21\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e19 Inch\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e130\/70-19\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e120\/80-19\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e120\/70-19\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e110\/90-19\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e100\/90-19\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e18 Inch\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e140\/80-18\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e130\/80-18\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e120\/100-18\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e120\/90-18\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e120\/80-18\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e110\/100-18\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e100\/100-18\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.tmbrmoto.com\/collections\/mitas-tyres\" title=\"Shop TMBR MOTO for Mitas motorcycle inner tubes and tires.\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0622\/5720\/1317\/files\/MITAS_BANNER.jpg?v=1767131756\" alt=\"\"\u003e\u003c\/a\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0622\/5720\/1317\/files\/MADE_IN_CZECHIA.jpg?v=1744046246\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Mitas Tyres","offers":[{"title":"21 Inch","offer_id":46058581065893,"sku":"MIT-INR-TUB-UHD-21","price":21.0,"currency_code":"USD","in_stock":false},{"title":"19 Inch","offer_id":46058581098661,"sku":"MIT-INR-TUB-UHD-19","price":23.0,"currency_code":"USD","in_stock":false},{"title":"18 Inch","offer_id":46058581131429,"sku":"MIT-INR-TUB-UHD-18","price":28.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0622\/5720\/1317\/files\/MITASTYRESULTRAHDTUBE2.jpg?v=1764010354","url":"https:\/\/www.tmbrmoto.com\/products\/mitas-ultra-heavy-duty-inner-tubes-4mm","provider":"TMBR MOTO","version":"1.0","type":"link"}