{"product_id":"challenge-gravel-grinder-pro-handmade-tyre-tan-260tpi-700x36","title":"Challenge Gravel Grinder Pro Handmade Tyre Tan 260tpi","description":"\u003cp\u003e\u003ca href=\"https:\/\/upgradebikes.sharepoint.com\/:b:\/s\/UpgradeBikesFiles\/EV9gv1DAT3hEpxFWiXBNMS8BMSGXir2sIHsQ8I43biPJXg?e=ckg1nk\" class=\"Button btn btn-default upgattbtn\"\u003eConsumer Product Safety Bulletin - March 13, 2019\u003c\/a\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\u003cp\u003e\u003cstrong\u003eColour:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTan.\u003cbr\u003e\u003cstrong\u003eTPI:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e260.\u003cbr\u003e\u003cstrong\u003eRecommended Pressure:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e33-55psi.\u003cbr\u003e\u003cstrong\u003ePuncture Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePPSGANZO + PPS2.\u003cbr\u003e\u003cstrong\u003eRubber Compound:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSMARTPLUS.\u003cbr\u003e\u003cstrong\u003eConstruction:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHandmade.\u003cbr\u003e\u003cstrong\u003eSeries:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePRO.\u003cbr\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e700c.\u003cbr\u003e\u003cstrong\u003eWidth:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e36mm.\u003cbr\u003e\u003cstrong\u003eCasing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSuperPoly - CORAZZAARMOR.\u003cbr\u003e\u003cstrong\u003eBead:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFolding.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePPS Ganzo\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e- A higher level of puncture protection utilising a multi-component fabric strip with a tighter weave that still remains flexible.\u003cbr\u003e\u003cstrong\u003eSMART Plus Compound\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e- Gravel specific tread compound for traction and durability.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eSuperPoly polyester is a synthetic fibre stronger and softer than nylon and resistant to water. Challenge's SuperPoly casings are the more affordable handmade tyres.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePRO\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eseries tyres are 220\/260\/300tpi depending on model. They are almost as supple as the Corespun Cotton but far softer than Nylon. The casing is impervious to water and so make the best value handmade tyres.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePPS Ganzo\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e- A higher level of puncture protection utilising a multi-component fabric strip with a tighter weave that still remains flexible.\u003c\/p\u003e\n\u003cp\u003eSuperPoly polyester is a synthetic fibre stronger and softer than nylon and resistant to water. Challenge's SuperPoly casings are the more affordable handmade tyres.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePRO\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eseries tyres are 220\/260\/300tpi depending on model. They are almost as supple as the Corespun Cotton but far softer than Nylon. The casing is impervious to water and so make the best value handmade tyres.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCorazza Armor\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e- Reinforced casing for gravel specific tyres utilising double layer 220\/260TPI SuperPoly for durability and stability.\u003cbr\u003e\u003c\/p\u003e","brand":"Challenge","offers":[{"title":"Default Title","offer_id":46676800798971,"sku":"CH-HC-00530","price":67.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0338\/5652\/0325\/files\/Challenge---GRAVEL-GRINDER-PRO-H-CL-Tan-260tpi-700x36_1000x1000_77d3781c-17db-4e6d-8740-3d9fdd214341.jpg?v=1731084082","url":"https:\/\/www.sprocketandgear.co.uk\/products\/challenge-gravel-grinder-pro-handmade-tyre-tan-260tpi-700x36","provider":"Sprocket \u0026 Gear","version":"1.0","type":"link"}