{"product_id":"red-performance-glass-thruster-fins","title":"Performance Glass Thruster Fin Set – 3K Carbon Base \u0026 Hex Core","description":"\u003ch1\u003ePerformance Glass Thruster Fin Set – 3K Carbon Base \u0026amp; Hex Core\u003c\/h1\u003e \u003ch2\u003eOverview\u003c\/h2\u003e \u003cp\u003eTake your surfing to the next level with the \u003cstrong\u003ePerformance Glass Thruster Fin Set\u003c\/strong\u003e, designed for surfers seeking a responsive setup for technical maneuvers, speed, and control.\u003c\/p\u003e \u003cp\u003eFeaturing a 3K carbon-reinforced base, a lightweight Hex Core, and a flat-foil design, these fins are engineered to balance drive with moderate flex. The reinforced base supports power through turns, while the fin's flex characteristics are designed to help maintain speed and responsiveness.\u003c\/p\u003e \u003cp\u003ePositioned as an upgrade from the M21 Polymer Flex Fins, the Performance Glass series offers an option for surfers looking for a more performance-oriented feel in their thruster setup.\u003c\/p\u003e \u003cp\u003eAvailable in three sizes, the set includes options for different rider-weight ranges to help you select a suitable fit for your surfing style.\u003c\/p\u003e \u003ch2\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e \u003cp\u003e\u003cstrong\u003e3K Carbon Base:\u003c\/strong\u003e Reinforces the fin base to support drive and power through turns.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e\u003cstrong\u003eLightweight Hex Core:\u003c\/strong\u003e Designed to reduce unnecessary weight and resin use while maintaining structural performance.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e\u003cstrong\u003eModerate Flex Profile:\u003c\/strong\u003e Balances responsiveness with flex intended to help maintain speed through maneuvers.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e\u003cstrong\u003eFlat Foil Design:\u003c\/strong\u003e Engineered to support speed and quick directional changes.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e\u003cstrong\u003ePerformance-Oriented Construction:\u003c\/strong\u003e Designed for surfers developing or refining technical maneuvers.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e\u003cstrong\u003eThree Size Options:\u003c\/strong\u003e Choose PG-S, PG-M, or PG-L according to the supplied rider-weight guidelines.\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003e\u003cstrong\u003eUpgrade from M21 Polymer Flex:\u003c\/strong\u003e A higher-performance alternative for surfers seeking a different fin response.\u003c\/p\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eDrive Through Turns\u003c\/h3\u003e \u003cp\u003eThe 3K carbon base adds stiffness at the base, designed to support drive and control when applying pressure through turns.\u003c\/p\u003e \u003ch3\u003eBalanced Flex and Response\u003c\/h3\u003e \u003cp\u003eThe moderate-flex design aims to combine speed retention with responsiveness, giving surfers a balance between a firm connection and controlled flex.\u003c\/p\u003e \u003ch3\u003eLightweight Hex Core\u003c\/h3\u003e \u003cp\u003eThe Hex Core construction is designed to reduce weight and resin use while supporting the fin's structure.\u003c\/p\u003e \u003ch3\u003eSpeed-Focused Foil\u003c\/h3\u003e \u003cp\u003eThe flat-foil profile is intended to promote speed and quick maneuvers, making the set an option for surfers who want a lively, responsive feel.\u003c\/p\u003e \u003ch2\u003eChoose Your Size\u003c\/h2\u003e \u003ctable\u003e \u003ctbody\u003e \u003ctr\u003e \u003cth\u003eSize\u003c\/th\u003e \u003cth\u003eRecommended Rider Weight\u003c\/th\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003ePG-S\u003c\/td\u003e \u003ctd\u003e120–150 lb\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003ePG-M\u003c\/td\u003e \u003ctd\u003e145–175 lb\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003ePG-L\u003c\/td\u003e \u003ctd\u003e180–220 lb\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003cp\u003e\u003cstrong\u003eSizing tip:\u003c\/strong\u003e The recommended weight ranges overlap. Consider your surfboard, preferred fin feel, skill level, and typical wave conditions when choosing a size. These weight guidelines are a starting point rather than a guarantee of fit.\u003c\/p\u003e \u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \u003ctable\u003e \u003ctbody\u003e \u003ctr\u003e \u003cth\u003eFeature\u003c\/th\u003e \u003cth\u003eDetails\u003c\/th\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eProduct name\u003c\/td\u003e \u003ctd\u003ePerformance Glass Thruster Fin Set\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eProduct type\u003c\/td\u003e \u003ctd\u003eSurfboard fin set\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eIntended configuration\u003c\/td\u003e \u003ctd\u003eThruster\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eFin base construction\u003c\/td\u003e \u003ctd\u003e3K carbon\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCore\u003c\/td\u003e \u003ctd\u003eHex Core\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eFlex profile\u003c\/td\u003e \u003ctd\u003eModerate flex\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eFoil\u003c\/td\u003e \u003ctd\u003eFlat foil\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003ePerformance focus\u003c\/td\u003e \u003ctd\u003eSpeed, drive, responsiveness, and technical maneuvers\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eAvailable sizes\u003c\/td\u003e \u003ctd\u003ePG-S, PG-M, PG-L\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eFin-box compatibility\u003c\/td\u003e \u003ctd\u003eConfirm with supplier\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eFin dimensions\u003c\/td\u003e \u003ctd\u003eConfirm with supplier\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eNumber of fins included\u003c\/td\u003e \u003ctd\u003eConfirm with supplier\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eMounting hardware\u003c\/td\u003e \u003ctd\u003eConfirm with supplier\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ch2\u003eCompatibility \u0026amp; Installation\u003c\/h2\u003e \u003cp\u003eBefore ordering, confirm the fin-box system supported by this set and ensure it matches your surfboard. Fin bases are not universally interchangeable.\u003c\/p\u003e \u003cp\u003eInstall the fins using compatible hardware and follow the surfboard manufacturer's instructions. Check that all fins are secured correctly before entering the water.\u003c\/p\u003e ","brand":"M21 Sports","offers":[{"title":"PG-S","offer_id":67747593814229,"sku":"M21-PGS-RED","price":60.0,"currency_code":"USD","in_stock":true},{"title":"PG-M","offer_id":67747593846997,"sku":"M21-PGM-RED","price":60.0,"currency_code":"USD","in_stock":true},{"title":"PG-L","offer_id":67747593879765,"sku":"M21-PGL-RED","price":60.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/3057\/2501\/files\/M21-PGS-RED.jpg?v=1791857422","url":"https:\/\/alohaswimwellness.com\/products\/red-performance-glass-thruster-fins","provider":"Aloha Swim Wellness","version":"1.0","type":"link"}