{"product_id":"summer-vibes-quad-mid-keel-4-fin-set-fciicompatible-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!-- 🔒 Hidden SEO (Invisible to customers, visible to search engines) --\u003e\n\u003cdiv style=\"display: none !important; visibility: hidden !important; opacity: 0 !important; height: 0 !important; overflow: hidden !important;\"\u003e\n\u003cp\u003eThis quad keel 4-fin set is compatible with Future-style fin systems and works across fish surfboards, quads, hybrids, performance boards and select softboards with Futures boxes. Ideal for surfers upgrading factory fins, improving hold and unlocking more speed in small surf. Suitable for Australian beach breaks, points, summer waves and everyday conditions.\u003c\/p\u003e\n\u003cp\u003eRelated keywords: quad surfboard fins, keel quad fins, FuturCompatible fins, Futures compatible surf fins, fibreglass quad fins, keel fin set, Summer vibes surf hardware, surfboard accessories, quad surf setup, fish surfboard upgrade fins, blue quad keel set.\u003c\/p\u003e\n\u003c\/div\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\/56allquadwebhero.jpg?v=1764895556","url":"https:\/\/www.summervibes.com.au\/products\/summer-vibes-quad-mid-keel-4-fin-set-fciicompatible-black-blue","provider":"Summer vibes","version":"1.0","type":"link"}