{"product_id":"summer-vibes-twin-keel-2-fin-set-fcsii-compatible-yellow","title":"Summer vibes Twin Keel 2-Fin Set FCSii Compatible – Yellow","description":"\u003c!-- 🌊 Summer vibes – Twin Keel 4.5\" 2-Fin Set (FCii-Compatible) --\u003e\n\u003cdiv class=\"sv-product-copy\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eSummer vibes Twin Keel 4.5\" 2-Fin Set – FCii-Compatible\u003c\/strong\u003e is built for surfers chasing smooth speed, classic glide and that retro twin fin feeling. With a \u003cstrong\u003e4.5-inch keel template\u003c\/strong\u003e and \u003cstrong\u003epremium fibreglass construction\u003c\/strong\u003e, these fins deliver powerful drive, long drawn-out lines and buttery rail-to-rail flow—perfect for fish shapes and cruisy summer conditions across Australia.\u003c\/p\u003e\n\u003cp\u003eEach fin \u003cstrong\u003eslots straight into the front tab\u003c\/strong\u003e of FCii-style fin boxes for a clean, compatible fit, and the \u003cstrong\u003erear tab locks in with a single screw\u003c\/strong\u003e, giving you total confidence. Quick install, secure hold, consistent performance.\u003c\/p\u003e\n\u003cp\u003eThey're also an epic match for the \u003cstrong\u003eSummer vibes Fish softboards (which have FCii compatible fin boxes)\u003c\/strong\u003e unlocking more speed, trim and fun in smaller waves while keeping your ride smooth and playful.\u003c\/p\u003e\n\u003ch3\u003eWhy You'll Love Them\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFCii-Compatible fitment\u003c\/strong\u003e – front tab clicks in, rear tab screws down.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4.5\" twin keel outline\u003c\/strong\u003e for maximum speed, glide and retro-style flow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium fibreglass construction\u003c\/strong\u003e for stiffness, durability and predictable flex.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEpic upgrade\u003c\/strong\u003e for Summer vibes Fish softboards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdeal for small-to-medium Aussie waves\u003c\/strong\u003e where flow and speed matter most.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmooth rail-to-rail control\u003c\/strong\u003e with plenty of hold through extended carves.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 4.5\" keel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet:\u003c\/strong\u003e Twin (2 fins)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e FCii-style fin systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Front tab slots in; rear tab fixed with single screw\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Fibreglass composite\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest suited to:\u003c\/strong\u003e Fish boards, retro twins, keel-fin shapes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThe Summer vibes Difference\u003c\/h3\u003e\n\u003cp\u003eSummer vibes hardware is designed for real Australian surf conditions—strong, reliable and made for fun. Whether you're trimming along a pointbreak, catching summer runners or carving lil' beachies, these keels give you the speed, hold and flow you're chasing.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Summer vibes","offers":[{"title":"Medium \/ Yellow","offer_id":45223215202361,"sku":"BRSVFITWKD-YEL","price":99.99,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/4357\/0233\/files\/Cimi-S12-BRSVFITWKD-YEL-render.png?v=1790505683","url":"https:\/\/www.summervibes.com.au\/products\/summer-vibes-twin-keel-2-fin-set-fcsii-compatible-yellow","provider":"Summer vibes","version":"1.0","type":"link"}