{"product_id":"universal-parts-2-80-2-50-4-inner-tube-136-121","title":"Universal Parts 2.80\/2.50-4 Inner Tube w\/ Angled Valve Stem","description":"\u003ch2\u003eEasy Inflation: 2.80\/2.50-4 Tube with Bent Valve\u003c\/h2\u003e\u003cp\u003eDon't let a flat tire sideline your ride. This \u003cstrong\u003eUniversal Parts Premium Inner Tube\u003c\/strong\u003e is engineered specifically for small-diameter 4-inch rims found on many popular electric scooters and utility carts. The standout feature is its \u003cstrong\u003e90-degree bent valve stem\u003c\/strong\u003e, which provides effortless access to the air valve in tight hub spaces where straight stems simply won't fit.\u003c\/p\u003e\u003ch3\u003eTechnical Performance Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e90 ° Angled Valve Stem:\u003c\/strong\u003e Specifically designed for small hubs (like the Razor E300), allowing you to attach a pump nozzle without fighting against the motor or rim.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Elasticity Butyl Rubber:\u003c\/strong\u003e Features a versatile expansion range that fits tire sizes 2.80\/2.50-4, 9x3.5-4, and 3.00-4.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThick-Wall Construction:\u003c\/strong\u003e Manufactured with consistent wall thickness to improve air retention and provide better resistance to \"pinch flats\" during installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Purpose Utility:\u003c\/strong\u003e A reliable replacement for everything from kids' electric scooters to hand trucks and garden trailers.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eComprehensive Fitment Guide\u003c\/h3\u003e\u003cp\u003eThis tube is a universal fit for \u003cstrong\u003e4-inch rims\u003c\/strong\u003e and is a confirmed replacement for the following models:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align: left;\"\u003eDevice Category\u003c\/th\u003e\n\u003cth style=\"text-align: left;\"\u003eCompatible Examples\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectric Scooters\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRazor E300 (Front\/Rear), Boreem, Currie, Izip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterchangeable Sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9x3.5-4, 3.00-4, 2.80\/2.50-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUtility Equipment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHand Trucks, Dollies, Small Garden Wagons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRim Size:\u003c\/strong\u003e 4 Inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Style:\u003c\/strong\u003e 90-Degree Bent (Schrader)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Heavy-Duty Butyl Rubber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Inflation:\u003c\/strong\u003e Follow tire sidewall recommendations\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003cblockquote\u003e\n\u003cstrong\u003eMechanic's Note:\u003c\/strong\u003e When installing a tube on these small 4-inch split rims, it is very easy to \"pinch\" the tube between the two halves of the rim during reassembly. We recommend inflating the tube slightly (just enough to give it shape) before bolting the rim halves together to ensure the tube is tucked safely away from the edges.\u003c\/blockquote\u003e\u003cp style=\"font-size: 0.85em; color: #666;\"\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e 136-121 \u003cbr\u003e\u003cstrong\u003eVendor:\u003c\/strong\u003e Universal Parts\u003c\/p\u003e","brand":"Universal Parts","offers":[{"title":"Default Title","offer_id":49986011955480,"sku":"136-121","price":8.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/1728\/1816\/files\/521156.jpg?v=1774536204","url":"https:\/\/www.scooterworks.com\/products\/universal-parts-2-80-2-50-4-inner-tube-136-121","provider":"Scooterworks USA, LLC","version":"1.0","type":"link"}