{"product_id":"continental-tour-28-700-all-schrader-valve-32-47c-copy","title":"Continental Tour 28 (700) ALL Presta Valve 32-47c Tube","description":"\u003cp\u003e\u003cspan\u003eRubber compound mixed – natural\/synthetic rubber, carbon black, sulfur.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eExtrusion – rubber forced through die to form continuous hollow tube.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eCut to length – sized for tyre diameter (e.g., 700c, 26\").\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eValve installed – Presta valve or Schrader valve bonded to tube.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eEnds joined – tube ends overlapped and bonded.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eVulcanisation – heat-cured rubber cross-linking process discovered by Charles Goodyear.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eInflation test – leak and thickness checks.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eTalc dust + packaging – prevents sticking during storage.\u003c\/span\u003e\u003c\/p\u003e","brand":"Continental","offers":[{"title":"42mm","offer_id":57545114583424,"sku":null,"price":7.89,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/4717\/4784\/files\/tour_sv.gif?v=1772883127","url":"https:\/\/bikes4life.co.uk\/products\/continental-tour-28-700-all-schrader-valve-32-47c-copy","provider":"Bikes4life","version":"1.0","type":"link"}