{"product_id":"bridgestone-heavy-duty-inner-tube","title":"Bridgestone Heavy-Duty Inner Tube TR-4 Valve","description":"\u003cp\u003eThe Bridgestone Heavy-Duty Inner Tube is a rubber replacement tube for e-motos that run tube type off-road tires. It is made for four tire sizes, 100\/100-18, 110\/100-18, 110\/90-19 and 80\/100-21, and each one fits front or rear. Every variant is a single tube for its tire size.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUniversal 18, 19 and 21 Inch Inner Tube\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e Choose the tube by the tire size on your sidewall\u003c\/p\u003e\n\u003cp\u003eBridgestone's tire manual is clear about timing: put in a new tube every time a new tire goes on. An old tube may be stretched, and Bridgestone warns that the crease this causes could make the tube fail.\u003c\/p\u003e\n\u003cp\u003eThis is Bridgestone's heavy-duty rubber tube, and the valve is a TR-4 center metal valve with a round base and threaded nuts. By size, the 100\/100-18 weighs 2.2 lb, the 110\/100-18 2.1 lb, the 110\/90-19 2.65 lb and the 80\/100-21 2.3 lb.\u003c\/p\u003e\n\u003cp\u003eIf a tube does get damaged, Bridgestone's rule is the same as for tires: have it repaired only by a qualified tire service person.\u003c\/p\u003e","brand":"Bridgestone","offers":[{"title":"100\/100-18","offer_id":67972936204517,"sku":"543462","price":48.99,"currency_code":"USD","in_stock":true},{"title":"110\/100-18","offer_id":67972936237285,"sku":"543489","price":48.95,"currency_code":"USD","in_stock":true},{"title":"110\/90-19","offer_id":67972936270053,"sku":"543497","price":48.95,"currency_code":"USD","in_stock":true},{"title":"80\/100-21","offer_id":67972936302821,"sku":"543500","price":48.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0511\/3964\/1496\/files\/bridgestone-heavy-duty-inner-tube-1.png?v=1793654010","url":"https:\/\/gritshift.com\/products\/bridgestone-heavy-duty-inner-tube","provider":"GritShift","version":"1.0","type":"link"}