{"product_id":"fcs-ii-reactor-pc-medium-thruster-surfboard-fin-set-in-white","title":"FCS II Reactor PC Medium Thruster Surfboard Fin Set in White","description":"\u003carticle\u003e\r\n  \u003ch2\u003eFCS II Reactor PC Thruster Fin Set – Size Medium – White Edition\u003c\/h2\u003e\r\n\r\n  \u003cp\u003e\r\n    The \u003cstrong\u003eFCS II Reactor PC Thruster Fin Set – Size Medium – White Edition\u003c\/strong\u003e is built for surfers who want\r\n    \u003cstrong\u003espeed, tight turns, and fast tail release\u003c\/strong\u003e in everyday and punchy beach break conditions. With its\r\n    upright Reactor template and lightweight \u003cstrong\u003ePerformance Core (PC)\u003c\/strong\u003e construction, this fin set is ideal\r\n    for surfers who favor quick, progressive surfing with sharp direction changes.\r\n  \u003c\/p\u003e\r\n\r\n  \u003cp\u003e\r\n    When you purchase these fins from Rider Shack, you’re supporting a\r\n    \u003cstrong\u003esmall, family-owned core surf shop run by surfers\u003c\/strong\u003e who are passionate about sharing the stoke of\r\n    surfing and the ocean.\r\n  \u003c\/p\u003e\r\n\r\n  \u003ch2\u003eOverview\u003c\/h2\u003e\r\n  \u003cp\u003e\r\n    The Reactor belongs to FCS’s “Beach Break” fin family and is designed for surfing in the pocket. Its upright outline\r\n    promotes faster rail-to-rail transitions, while the \u003cstrong\u003esmaller center fin\u003c\/strong\u003e increases pivot and tail\r\n    release—perfect for surfers who like to attack sections and surf with speed and precision.\r\n  \u003c\/p\u003e\r\n\r\n  \u003cul\u003e\r\n    \u003cli\u003e\n\u003cstrong\u003eFin Model:\u003c\/strong\u003e FCS II Reactor\u003c\/li\u003e\r\n    \u003cli\u003e\n\u003cstrong\u003eFin Family:\u003c\/strong\u003e Reactor – Find Speed\u003c\/li\u003e\r\n    \u003cli\u003e\n\u003cstrong\u003eSet Type:\u003c\/strong\u003e Thruster (3-fin set)\u003c\/li\u003e\r\n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Performance Core (PC)\u003c\/li\u003e\r\n    \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e White (FCS II White Edition)\u003c\/li\u003e\r\n    \u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Medium\u003c\/li\u003e\r\n    \u003cli\u003e\n\u003cstrong\u003eFin System:\u003c\/strong\u003e FCS II\u003c\/li\u003e\r\n  \u003c\/ul\u003e\r\n\r\n  \u003ch2\u003eFCS II White Edition\u003c\/h2\u003e\r\n  \u003cp\u003e\r\n    The \u003cstrong\u003eFCS II Essential Series White Edition\u003c\/strong\u003e blends classic surf style with modern performance.\r\n    Inspired by traditional white fixed fins, the clean all-white look pairs effortlessly with any surfboard—no color\r\n    clashes, just timeless design and proven feel.\r\n  \u003c\/p\u003e\r\n\r\n  \u003ch2\u003ePerformance \u0026amp; Design\u003c\/h2\u003e\r\n\r\n  \u003ch3\u003eReactor Template: Speed, Tight Turns \u0026amp; Snaps\u003c\/h3\u003e\r\n  \u003cp\u003e\r\n    The upright Reactor template is designed for surfers who want to generate speed quickly and fit tighter turns into\r\n    steep sections. This shape excels in beach breaks and hollow waves where responsiveness and control are essential.\r\n    The smaller center fin loosens up the tail for more progressive surfing.\r\n  \u003c\/p\u003e\r\n\r\n  \u003cul\u003e\r\n    \u003cli\u003eDesigned for \u003cstrong\u003espeed and tight turns\u003c\/strong\u003e with added tail release.\u003c\/li\u003e\r\n    \u003cli\u003eUpright outline allows \u003cstrong\u003esharper, more acute\u003c\/strong\u003e directional changes.\u003c\/li\u003e\r\n    \u003cli\u003eSmaller center fin increases \u003cstrong\u003epivot\u003c\/strong\u003e and maneuverability.\u003c\/li\u003e\r\n    \u003cli\u003eIdeal for fast, progressive surfing styles.\u003c\/li\u003e\r\n  \u003c\/ul\u003e\r\n\r\n  \u003ch3\u003ePerformance Core Construction\u003c\/h3\u003e\r\n  \u003cp\u003e\r\n    \u003cstrong\u003ePerformance Core (PC)\u003c\/strong\u003e fins are made using a multi-layered resin transfer molding process. The flex\r\n    pattern extends progressively from the base through the tip, helping surfers maintain \u003cstrong\u003edrive and hold\u003c\/strong\u003e\r\n    through turns while keeping the fin lightweight and responsive.\r\n  \u003c\/p\u003e\r\n\r\n  \u003cul\u003e\r\n    \u003cli\u003eLightweight construction with controlled flex.\u003c\/li\u003e\r\n    \u003cli\u003eProgressive flex pattern for smooth power release.\u003c\/li\u003e\r\n    \u003cli\u003eVersatile feel across a range of surf conditions.\u003c\/li\u003e\r\n  \u003c\/ul\u003e\r\n\r\n  \u003ch2\u003eIdeal Conditions\u003c\/h2\u003e\r\n  \u003cp\u003e\r\n    The Reactor performs best in \u003cstrong\u003ehollow waves\u003c\/strong\u003e and is particularly well-suited for\r\n    \u003cstrong\u003ebeach breaks\u003c\/strong\u003e, where speed, tight arcs, and quick reactions are key.\r\n  \u003c\/p\u003e\r\n\r\n  \u003ch2\u003eBoard Compatibility\u003c\/h2\u003e\r\n  \u003cul\u003e\r\n    \u003cli\u003e\n\u003cstrong\u003eFin System:\u003c\/strong\u003e Designed to fit the FCS II Fin System\u003c\/li\u003e\r\n    \u003cli\u003e\n\u003cstrong\u003eBoard Types:\u003c\/strong\u003e Recommended for \u003cstrong\u003eperformance shortboards\u003c\/strong\u003e with moderate-to-low rocker\u003c\/li\u003e\r\n  \u003c\/ul\u003e\r\n\r\n  \u003ch2\u003eSize \u0026amp; Specifications\u003c\/h2\u003e\r\n\r\n  \u003ch3\u003eRecommended Rider Weight – Size Medium\u003c\/h3\u003e\r\n  \u003cul\u003e\r\n    \u003cli\u003e\n\u003cstrong\u003eWeight Range:\u003c\/strong\u003e 65–80 kg (145–175 lbs)\u003c\/li\u003e\r\n  \u003c\/ul\u003e\r\n\r\n  \u003ch3\u003eFin Dimensions (Medium)\u003c\/h3\u003e\r\n\r\n  \u003ch4\u003eSide Fins\u003c\/h4\u003e\r\n  \u003cul\u003e\r\n    \u003cli\u003e\n\u003cstrong\u003eBase:\u003c\/strong\u003e 4.33\" (110 mm)\u003c\/li\u003e\r\n    \u003cli\u003e\n\u003cstrong\u003eDepth:\u003c\/strong\u003e 4.53\" (115.0 mm)\u003c\/li\u003e\r\n    \u003cli\u003e\n\u003cstrong\u003eArea:\u003c\/strong\u003e 15.23 in² (9,824 mm²)\u003c\/li\u003e\r\n    \u003cli\u003e\n\u003cstrong\u003eSweep:\u003c\/strong\u003e 32.0°\u003c\/li\u003e\r\n    \u003cli\u003e\n\u003cstrong\u003eFoil:\u003c\/strong\u003e Flat\u003c\/li\u003e\r\n  \u003c\/ul\u003e\r\n\r\n  \u003ch4\u003eCenter Fin\u003c\/h4\u003e\r\n  \u003cul\u003e\r\n    \u003cli\u003e\n\u003cstrong\u003eBase:\u003c\/strong\u003e 4.28\" (108.7 mm)\u003c\/li\u003e\r\n    \u003cli\u003e\n\u003cstrong\u003eDepth:\u003c\/strong\u003e 4.41\" (112.0 mm)\u003c\/li\u003e\r\n    \u003cli\u003e\n\u003cstrong\u003eArea:\u003c\/strong\u003e 14.22 in² (9,172 mm²)\u003c\/li\u003e\r\n    \u003cli\u003e\n\u003cstrong\u003eSweep:\u003c\/strong\u003e 31.0°\u003c\/li\u003e\r\n    \u003cli\u003e\n\u003cstrong\u003eFoil:\u003c\/strong\u003e 50\/50\u003c\/li\u003e\r\n  \u003c\/ul\u003e\r\n\r\n  \u003ch2\u003eWhy Choose the FCS II Reactor?\u003c\/h2\u003e\r\n  \u003cul\u003e\r\n    \u003cli\u003eBuilt for speed, tight arcs, and quick directional changes.\u003c\/li\u003e\r\n    \u003cli\u003eExcellent for beach breaks and hollow waves.\u003c\/li\u003e\r\n    \u003cli\u003eSmaller center fin adds pivot and tail release.\u003c\/li\u003e\r\n    \u003cli\u003ePerformance Core construction balances flex, drive, and control.\u003c\/li\u003e\r\n    \u003cli\u003eTool-less FCS II installation.\u003c\/li\u003e\r\n    \u003cli\u003eClean White Edition aesthetic that matches any board.\u003c\/li\u003e\r\n  \u003c\/ul\u003e\r\n\r\n  \u003ch2\u003eWhy Buy from Rider Shack?\u003c\/h2\u003e\r\n  \u003cp\u003e\r\n    Rider Shack is a \u003cstrong\u003esmall, family-owned core surf shop\u003c\/strong\u003e operated by surfers who care about putting the\r\n    right gear under your feet. Every purchase supports a local surf shop dedicated to real surf knowledge, quality\r\n    equipment, and keeping surf culture strong.\r\n  \u003c\/p\u003e\r\n\r\n  \u003ch2\u003eFAQ\u003c\/h2\u003e\r\n\r\n  \u003ch3\u003eWhat style of surfing are the Reactor fins best for?\u003c\/h3\u003e\r\n  \u003cp\u003e\r\n    Reactor fins are designed for \u003cstrong\u003efast, progressive surfing\u003c\/strong\u003e, offering speed, tight turns, and quick\r\n    snaps—especially in beach break conditions.\r\n  \u003c\/p\u003e\r\n\r\n  \u003ch3\u003eWhat boards are these fins recommended for?\u003c\/h3\u003e\r\n  \u003cp\u003e\r\n    These fins are designed to fit the \u003cstrong\u003eFCS II Fin System\u003c\/strong\u003e and are recommended for\r\n    \u003cstrong\u003eperformance shortboards\u003c\/strong\u003e with moderate-to-low rocker.\r\n  \u003c\/p\u003e\r\n\r\n  \u003ch3\u003eWhat surfer weight is size Medium recommended for?\u003c\/h3\u003e\r\n  \u003cp\u003e\r\n    Size Medium is recommended for surfers weighing approximately\r\n    \u003cstrong\u003e145–175 lbs (65–80 kg)\u003c\/strong\u003e.\r\n  \u003c\/p\u003e\r\n\r\n  \u003ch3\u003eWhy does the Reactor use a smaller center fin?\u003c\/h3\u003e\r\n  \u003cp\u003e\r\n    The smaller center fin increases \u003cstrong\u003epivot and tail release\u003c\/strong\u003e, making it easier to perform tight,\r\n    progressive turns and quick direction changes.\r\n  \u003c\/p\u003e\r\n\r\n  \u003ch3\u003eDo these fins require tools for installation?\u003c\/h3\u003e\r\n  \u003cp\u003e\r\n    No. The \u003cstrong\u003eFCS II system\u003c\/strong\u003e allows for fast, tool-less installation and removal.\r\n  \u003c\/p\u003e\r\n\u003c\/article\u003e\r\n","brand":"FCS","offers":[{"title":"Default Title","offer_id":52179681083675,"sku":"118167","price":134.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0707\/6868\/9435\/files\/118167.jpg?v=1779161408","url":"https:\/\/ridershack.com\/products\/fcs-ii-reactor-pc-medium-thruster-surfboard-fin-set-in-white","provider":"Rider Shack","version":"1.0","type":"link"}