{"product_id":"g-mousse-front-medium","title":"G-Mousse Front Medium 21\"","description":"\u003cp\u003e\u003cstrong\u003eZero flats. More grip. Keep attacking.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eG-Mousse Front Medium replaces the inner tube with a dual-heat polymer insert built for Goldentyre 21\" fronts. You run low equivalent pressure without the fear of a pinch or a thorn ending the day — more carcass on the ground, more confidence into rocks and roots.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt for\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMX · Enduro · Extreme · Cross Country on 21\" fronts in the Medium volume class.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePairing\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/goldentyre.shop\/products\/gop3172aa-80-100-21-tt51r-gt216aa-fim\"\u003eGOP3172AA · GT216AA 80\/100-21\u003c\/a\u003e — Est. 12–14 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/goldentyre.shop\/products\/gop3177n-90-90-21-tt54r-gt216aa-fim\"\u003eGOP3177N · GT216AA 90\/90-21\u003c\/a\u003e — Est. 10–12 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/goldentyre.shop\/products\/gop3180-80-100-21-tt51r-gt222-razor-blade-fim\"\u003eGOP3180 · GT222 Razor Blade 80\/100-21\u003c\/a\u003e · \u003ca href=\"https:\/\/goldentyre.shop\/products\/gop3181-90-90-21-tt54r-gt222-chubby-fim\"\u003eGOP3181 · GT222 Chubby 90\/90-21\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCatalog size map: 80\/100-21 MX · 90\/90-21 Enduro · 90\/100-21 Extreme (Medium feel). For plush Fatty \/ firmer 90\/90, see \u003ca href=\"https:\/\/goldentyre.shop\/products\/g-mousse-front-large\"\u003eMOU2001N Front Large\u003c\/a\u003e. For firm rally Fatty, see \u003ca href=\"https:\/\/goldentyre.shop\/products\/g-mousse-front-xlarge\"\u003eMOU2002N Front XLarge\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/Dm3ieVDGmNs?si=Pbckrk7Hav9t2RxF\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCode: MOU2000N\u003c\/li\u003e\n\u003cli\u003eSize class: Front Medium · 21\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eConstruction: dual-heat polymer insert (replaces inner tube)\u003c\/li\u003e\n\u003cli\u003eFlat protection: 100%% competition flat-proof when correctly fitted\u003c\/li\u003e\n\u003cli\u003eFeel: fixed equivalent pressure (typical market range ~0.7–0.9 bar \/ ~10–13 psi; see pairings for estimates)\u003c\/li\u003e\n\u003cli\u003eIncluded: mousse lube\u003c\/li\u003e\n\u003cli\u003eUse: off-road \/ competition only — not road legal\u003c\/li\u003e\n\u003cli\u003eFitment: designed for Goldentyre tyre carcasses (other brands may differ in section and wall thickness)\u003c\/li\u003e\n\u003cli\u003eCare: avoid prolonged asphalt and extreme heat (premature wear)\u003c\/li\u003e\n\u003cli\u003eNote: no warranty for improper use\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Goldentyre","offers":[{"title":"Default Title","offer_id":48104676360425,"sku":"MOU2000N","price":135.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/9425\/9177\/files\/s-l1600_0781c60b-0727-4413-8b9b-9d8f5eafbadd.jpg?v=1738758911","url":"https:\/\/goldentyre.shop\/en-es\/products\/g-mousse-front-medium","provider":"Goldentyre Europe","version":"1.0","type":"link"}