{"product_id":"challenge-gravel-grinder-vulcanised-tubeless-ready-gravel-tyre-in-black","title":"Challenge Gravel Grinder Vulcanised Tubeless Ready Gravel Tyre in Black","description":"\u003cp\u003e\u003cbr\u003e\u003cbr\u003eMake your mark on the gravel scene with the Gravel Grinder. This tyre combines a fast rolling diamond centre with aggressive shoulder knobs that only hook-up when the terrain gets soft, muddy, or a bit sketchy.\u003c\/p\u003e\n\u003ch3\u003eSpecification\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eColour:\u003c\/strong\u003e Black.\u003cbr\u003e\u003cstrong\u003eTPI:\u003c\/strong\u003e 120.\u003cbr\u003e\u003cstrong\u003eRecommended Pressure:\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e33mm\u003c\/strong\u003e 35-60psi.\u003cbr\u003e\u003cstrong\u003ePuncture Protection:\u003c\/strong\u003e -.\u003cbr\u003e\u003cstrong\u003eRubber Compound:\u003c\/strong\u003e Vulcanized.\u003cbr\u003e\u003cstrong\u003eConstruction:\u003c\/strong\u003e Vulcanized.\u003cbr\u003e\u003cstrong\u003eSeries:\u003c\/strong\u003e RACE.\u003cbr\u003e\u003cstrong\u003eCasing:\u003c\/strong\u003e Nylon Superlight.\u003cbr\u003e\u003cstrong\u003eBead:\u003c\/strong\u003e Tubeless Folding.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\u003chr\u003e\u003cstrong\u003eVulcanized\u003c\/strong\u003e - Synthetic rubber used to pre-mould the tyre to shape. Less casing nylon and more rubber is cheaper but less compliant than handmade.\u003cbr\u003e\u003chr\u003e\u003cbr\u003e\u003cbr\u003eNylon and Nylon Superlight is affordable and good for the construction of vulcanised\/moulded tyres.\u003cstrong\u003eRACE\u003c\/strong\u003e series are vulcanised\/moulded tyres (not handmade) so more affordable. 120tpi is still a higher than normal thread count. Nylon Superlight is used on the vulcanised Tubeless Ready tyres to improve compliance and performance over the regular RACE tyres.","brand":"Challenge","offers":[{"title":"700x33c","offer_id":67587284369588,"sku":"CH-02044","price":58.0,"currency_code":"GBP","in_stock":true},{"title":"700x38c","offer_id":67587284402356,"sku":"CH-02004","price":58.0,"currency_code":"GBP","in_stock":true},{"title":"700x42c","offer_id":67587284435124,"sku":"CH-02014","price":58.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0669\/2539\/6148\/files\/Challenge---GRAVEL-GRINDER-TLR-VCL-Black-700x33_2983x3068_24d12cbd-502b-4d0e-9ab8-985d15539042.jpg?v=1791798743","url":"https:\/\/www.99bikes.co.uk\/products\/challenge-gravel-grinder-vulcanised-tubeless-ready-gravel-tyre-in-black","provider":"99 Bikes UK","version":"1.0","type":"link"}