{"product_id":"michelin-73810-ultra-heavy-duty-21-inch-motorcycle-inner-tube-tr-4-center-metal-valve","title":"Michelin 73810 Ultra Heavy Duty 21-Inch Motorcycle Inner Tube, TR-4 Center Metal Valve","description":"Inner Tube - Ultra Heavy Duty - 21\" - TR-4 - Center Metal Valve\n\u003cp\u003eThe Michelin 73810 Ultra Heavy Duty inner tube is designed for off-road motorcycles and powersports applications that demand dependable puncture and pinch-flat protection. Built with a reinforced construction and a 4 mm wall thickness, this 21-inch tube helps withstand the impacts, terrain changes, and operating conditions commonly encountered in motocross, trail riding, enduro, and other off-road use.\u003c\/p\u003e\u003cp\u003eFeaturing a TR-4 center metal valve, the Michelin 73810 provides secure inflation access and reliable valve durability when installed in a compatible 21-inch front motorcycle tire and wheel assembly. Its ultra heavy duty design makes it a practical replacement for riders seeking added tube strength over standard models. Verify tire, rim, valve, and application compatibility before installation, and install with proper lubrication and tire-fitting procedures to help prevent damage.\u003c\/p\u003e\u003cp\u003eManufactured by Michelin and identified by manufacturer part number 73810, this inner tube combines application-focused construction with the quality expected from a trusted tire and tube manufacturer. It is suited for replacement or service use on compatible off-road motorcycles requiring a 21-inch tube with a TR-4 center metal valve.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSize: 21-inch motorcycle inner tube\u003c\/li\u003e\n\u003cli\u003eModel: Ultra Heavy Duty with TR-4 center metal valve\u003c\/li\u003e\n\u003cli\u003eBrand: Michelin\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: 73810\u003c\/li\u003e\n\u003cli\u003eVendor part number: 73810\u003c\/li\u003e\n\u003cli\u003eConstruction: Reinforced tube designed for off-road applications\u003c\/li\u003e\n\u003cli\u003eWall thickness: 4 mm for enhanced durability\u003c\/li\u003e\n\u003cli\u003eProtection: Helps resist punctures and pinch flats\u003c\/li\u003e\n\u003cli\u003eFitment: Compatible with select off-road motorcycles using a 21-inch tire and TR-4 center valve configuration\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MICHELIN","offers":[{"title":"Default Title","offer_id":67544820842731,"sku":"03500025","price":48.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/112125.png?v=1790646582","url":"https:\/\/ctracingservices.com\/products\/michelin-73810-ultra-heavy-duty-21-inch-motorcycle-inner-tube-tr-4-center-metal-valve","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}