{"product_id":"20-x-4-kenda-inner-tube-heavy-duty-schrader-valve-1-3mm-thick","title":"20 x 4 Kenda Inner Tube - Heavy Duty - Schrader Valve - (1.3mm Thick) 20 x 4 - 4 1\/4\" - Cargo Bike Tube","description":"\u003cp\u003eKenda inner tubes. If ever there was the inner tube brand used the world over it’s Kenda. All for good reason, the combination of manufacturing, materials and quality all at the best price. Kenda tubes are used by more riders than any other tube. Why not get your Kenda tubes today, at Tube King we’re the full range ready to go today.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInner Tube Size:\u003c\/strong\u003e 20 x 4\" (Tube is marked 20 x 4 1\/4)\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eFits tyre sizes (please check with ETRTO Sizes below):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e20 x 4.00\u003c\/li\u003e\n\u003cli\u003e20 x 4.10\u003c\/li\u003e\n\u003cli\u003e20  x 4.125\u003c\/li\u003e\n\u003cli\u003e20 x 4.20\u003c\/li\u003e\n\u003cli\u003e20 x 4.25\u003c\/li\u003e\n\u003cli\u003e20 x 4 1\/4\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eETRTO Size:\u003c\/strong\u003e\u003cspan\u003e 406\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInner Tube Valve Type:\u003c\/strong\u003e Schrader Valve 35mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeature:\u003c\/strong\u003e 'E-Ready'\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cem\u003eBox image \/ specification for illustration purposes. Product boxed, brand new.\u003cspan\u003e \u003c\/span\u003e\u003c\/em\u003e\u003cem\u003eProduct photography © 2026 Tube King. All rights reserved.\u003c\/em\u003e\u003c\/p\u003e","brand":"Kenda","offers":[{"title":"Default Title","offer_id":57528780063102,"sku":"K12 - 156194","price":9.97,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0019\/0785\/1353\/files\/Valve_Type_Options.jpg?v=1775033913","url":"https:\/\/www.tubeking.co.uk\/products\/20-x-4-kenda-inner-tube-heavy-duty-schrader-valve-1-3mm-thick","provider":"Tube King","version":"1.0","type":"link"}