{"product_id":"tube-21x275-300-tr4-inner-economy-packed-in-poly-bag","title":"TUBE 21x275\/300 TR4 INNER ECONOMY PACKED IN POLY BAG","description":"\u003cp\u003eThis standard inner tube is designed for 21\" tires with widths ranging from 2.50 to 3.00 and features a TR4 valve type. Constructed from airtight butyl rubber, the tube offers excellent flexibility to conform to the shape of the tire and rim. It includes an overlap splice placed opposite the valve stem to improve tube balance and durability. The valve stem features a bright zinc-plated (BZP) metal finish for corrosion resistance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eSuitable for 21\" x 2.50\/2.75\/3.00 tire sizes\u003c\/li\u003e\n\t\u003cli\u003eAirtight butyl rubber construction\u003c\/li\u003e\n\t\u003cli\u003eHighly flexible material conforms to tire and rim contours\u003c\/li\u003e\n\t\u003cli\u003eOverlap splice for added strength\u003c\/li\u003e\n\t\u003cli\u003eSplice positioned opposite valve for improved balance\u003c\/li\u003e\n\t\u003cli\u003eTR4 valve stem with BZP metal finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eSize: 21\" x 2.50\/2.75\/3.00\u003c\/li\u003e\n\t\u003cli\u003eValve Type: TR4\u003c\/li\u003e\n\t\u003cli\u003eMaterial: Butyl rubber\u003c\/li\u003e\n\t\u003cli\u003eFinish: BZP (Bright Zinc Plated) metal valve stem\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Factory Image Racing","offers":[{"title":"Default Title","offer_id":51392371884298,"sku":"68-021.U.EACH","price":4.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/68-021_U_EACH.jpg?v=1759592983","url":"https:\/\/2bros-mx.com\/products\/tube-21x275-300-tr4-inner-economy-packed-in-poly-bag","provider":"2bros-mx.com","version":"1.0","type":"link"}