{"product_id":"mitas-heavy-duty-inner-tube-4-00-18-tr6","title":"Mitas Heavy-Duty Butyl Inner Tube – 4.00-18, 18\" TR-6 Center Metal Valve","description":"\u003ch2\u003eMitas Heavy-Duty Butyl Inner Tube – 4.00-18 | 18\" | TR-6\u003c\/h2\u003e\u003cp\u003eBuilt for motorcycles, scooters, and mopeds that demand reliability, the Mitas heavy-duty butyl inner tube delivers 2 mm thick construction and premium valve hardware — so you're not roadside guessing why your tube failed. Whether you're replacing a worn tube or prepping a spare, this is the one to trust.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 4.00-18 (fits 18\" rim)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve type:\u003c\/strong\u003e TR-6 center metal valve with galvanized stem\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve hardware:\u003c\/strong\u003e Includes two washers plus metal and rubber cap\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 2 mm heavy-duty (HD) wall\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-quality butyl compound for superior air retention\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Mitas?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended shelf life\u003c\/strong\u003e — individually packed in nitrogen-rich atmosphere pouches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-duty construction\u003c\/strong\u003e — resists punctures and pinch flats better than standard tubes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium valve quality\u003c\/strong\u003e — galvanized stem resists corrosion for a lasting, airtight seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-grade butyl compound\u003c\/strong\u003e — minimal air permeation, longer inflation intervals\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eSold individually. Compatible with motorcycles, scooters, and mopeds running 4.00-18 tires. Verify rim diameter and tire size before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Mitas","offers":[{"title":"Default Title","offer_id":47775143919857,"sku":"0350-0840","price":16.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0626\/1348\/7857\/files\/7F5A2E03-F8D6-4829-AF62-000049EB06C1_881ff5f8-83ad-415f-8a50-95bc2d9f49d6.jpg?v=1770325393","url":"https:\/\/howlingmoto.com\/products\/mitas-heavy-duty-inner-tube-4-00-18-tr6","provider":"Howling Moto","version":"1.0","type":"link"}