{"product_id":"summer-vibes-quad-mid-keel-4-fin-set-fcsii-compatible-black-blue","title":"Summer vibes Quad Mid Keel 4-Fin Set FCSii Compatible – Black \/ Blue","description":"\u003c!-- 🌊 Summer vibes – Quad Keel 4-Fin Set (FuturCompatible) – Blue --\u003e\n\u003cdiv class=\"sv-product-copy\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eSummer vibes Quad Keel 4-Fin Set – FCii (Black\/Blue)\u003c\/strong\u003e is built for surfers who want maximum speed, bite and hold without losing that smooth, flowing twin-keel feel. With a \u003cstrong\u003e5-inch front keel\u003c\/strong\u003e and a \u003cstrong\u003e3-inch quad rear trailer\u003c\/strong\u003e, this set creates the perfect blend of drive, control and playful release—ideal for fish shapes, hybrids and modern quad boards in fun Aussie waves.\u003c\/p\u003e\n\u003cp\u003eDesigned with \u003cstrong\u003epremium fibreglass construction\u003c\/strong\u003e for stiffness, durability and predictable flex, these fins slot cleanly into fcs-2\u003cstrong\u003e-style fin boxes\u003c\/strong\u003e. The result is a rock-solid fit, excellent power transfer, and a fast, responsive feel under your feet.\u003c\/p\u003e\n\u003cp\u003eThis quad keel set adds a huge boost to speed and grip, making it an epic upgrade for \u003cstrong\u003eSummer vibes Fish softboards\u003c\/strong\u003e that run fcs-compat fin systems. Expect better hold through turns, more projection down the line, and a lively, confidence-inspiring feel in small-to-medium waves.\u003c\/p\u003e\n\u003ch3\u003eWhy You'll Love Them\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuad keel configuration\u003c\/strong\u003e – 5\" front + 3\" rear delivers the perfect blend of speed, bite and control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium fibreglass build\u003c\/strong\u003e for strength, stability and consistent flex.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEpic upgrade for Summer vibes Fish softboards \/ any board\u003c\/strong\u003e running fcs-style fin systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast, smooth and grippy\u003c\/strong\u003e—ideal for fun Aussie beachies and pointbreaks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMore hold + more projection\u003c\/strong\u003e through rail-to-rail transitions and down-the-line pumps.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront Fins:\u003c\/strong\u003e 5\" keel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRear Fins:\u003c\/strong\u003e 3\" quad trailer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet:\u003c\/strong\u003e Quad (4 fins)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e FCII (dual tab fcs-style fin boxes)\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, hybrids, quad setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThe Summer vibes Difference\u003c\/h3\u003e\n\u003cp\u003eSummer vibes hardware is shaped for real Australian surf conditions—fast, durable and designed to level-up your sessions. Whether you're carving beachies, racing down points or pushing your quad setup to its limits, these fins deliver reliable speed, hold and flow.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Summer vibes","offers":[{"title":"M\/L \/ Black\/Blue","offer_id":45253495193657,"sku":"BRSVFIQU4D-BBL","price":129.99,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/4357\/0233\/files\/fin-8118258073657-norm.jpg?v=1789812283","url":"https:\/\/www.summervibes.com.au\/products\/summer-vibes-quad-mid-keel-4-fin-set-fcsii-compatible-black-blue","provider":"Summer vibes","version":"1.0","type":"link"}