{"product_id":"irc-t20057-heavy-duty-inner-tube-18-inch-tr-4-center-metal-valve","title":"IRC T20057 Heavy-Duty Inner Tube, 18-Inch, TR-4 Center Metal Valve","description":"Inner Tube - Heavy Duty - 18\" - TR-4 - Center Metal Valve\n\u003cp\u003eThe IRC T20057 Heavy-Duty Inner Tube is designed for dependable performance in demanding motorcycle, powersports, and off-road applications. This 18-inch inner tube features a TR-4 center metal valve and is manufactured from durable natural rubber to help provide reliable air retention and long service life. The heavy-duty construction is two to three times thicker than standard tubes, offering increased resistance to abrasion, punctures, and impact-related damage.\u003c\/p\u003e\u003cp\u003eBuilt for riders who need added durability, the IRC T20057 helps absorb impacts while maintaining dependable performance across varied terrain. Reinforced joint and valve construction supports strength in high-stress areas, making this tube a practical replacement for compatible 18-inch tire applications. Verify tire and wheel compatibility before installation, including the required tube size, valve configuration, and fitment specifications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e IRC\u003cbr\u003e\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e T20057\u003cbr\u003e\u003cstrong\u003eVendor Part Number:\u003c\/strong\u003e T20057\u003cbr\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Compatible with select 18-inch tires and wheels requiring a TR-4 center metal valve inner tube.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSize: 18-inch inner tube for compatible tire and wheel applications\u003c\/li\u003e\n\u003cli\u003eModel: Heavy-Duty Inner Tube with TR-4 center metal valve\u003c\/li\u003e\n\u003cli\u003eConstruction: Natural rubber construction for durability and reliable performance\u003c\/li\u003e\n\u003cli\u003eDurability: Two to three times thicker than standard tubes for enhanced abrasion resistance\u003c\/li\u003e\n\u003cli\u003eImpact Absorption: Heavy-duty design helps absorb impacts across demanding riding conditions\u003c\/li\u003e\n\u003cli\u003eValve Strength: Reinforced valve and joint construction for improved reliability\u003c\/li\u003e\n\u003cli\u003eBrand: IRC\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: T20057\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: T20057\u003c\/li\u003e\n\u003cli\u003eFitment: Select motorcycle, powersports, and off-road applications requiring an 18-inch TR-4 inner tube\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"IRC","offers":[{"title":"Default Title","offer_id":67545308430571,"sku":"IRC93","price":25.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/55149.png?v=1790660095","url":"https:\/\/ctracingservices.com\/products\/irc-t20057-heavy-duty-inner-tube-18-inch-tr-4-center-metal-valve","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}