{"product_id":"fcs-ii-reactor-pc-large-thruster-surfboard-fin-set-in-white","title":"FCS II Reactor PC Large Thruster Surfboard Fin Set in White","description":"\u003carticle\u003e\r\n  \u003ch2\u003eFCS II Reactor PC Thruster Fin Set – Size Large – White Edition\u003c\/h2\u003e\r\n\r\n  \u003cp\u003e\r\n    The \u003cstrong\u003eFCS II Reactor PC Thruster Fin Set – Size Large – White Edition\u003c\/strong\u003e is built for surfers who want\r\n    \u003cstrong\u003espeed, tight turns, and quick tail release\u003c\/strong\u003e—especially in punchy beach break conditions. Featuring an\r\n    upright Reactor template and lightweight \u003cstrong\u003ePerformance Core (PC)\u003c\/strong\u003e construction, this set is tuned for\r\n    fast, progressive surfing where rapid direction changes and snappy turns are the goal.\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 operated by surfers\u003c\/strong\u003e who are passionate about sharing the love 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 is part of the FCS “Beach Break” fin family—designed specifically for surfers who like to surf in the pocket,\r\n    generate speed quickly, and fit tighter turns into steeper sections. The template is more upright for sharper, more acute\r\n    direction changes, and it features a \u003cstrong\u003esmaller center fin\u003c\/strong\u003e to increase pivot and loosen up the tail.\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 Large\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 combines proven fin performance with a clean, timeless look.\r\n    Inspired by classic white fixed fins, the all-white aesthetic pairs with any surfboard—no color clashing, no second-guessing,\r\n    just a simple style that always works.\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 Reactor’s upright outline is made for surfers who want fast, responsive changes in direction. It’s ideal for beach break\r\n    surfing where you’re constantly adjusting your line and attacking quick sections. The \u003cstrong\u003esmaller center fin\u003c\/strong\u003e increases\r\n    pivot and tail release, helping you surf more progressively without feeling locked in.\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 template supports \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 looseness off the tail.\u003c\/li\u003e\r\n    \u003cli\u003eIdeal for surfers who like fast, progressive turns and snaps.\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 pattern\r\n    extends progressively from the base through the tip, helping maintain \u003cstrong\u003edrive and hold through turns\u003c\/strong\u003e while keeping\r\n    the fin light and versatile across varied conditions.\r\n  \u003c\/p\u003e\r\n\r\n  \u003cul\u003e\r\n    \u003cli\u003eLightweight build with a controlled, progressive flex pattern.\u003c\/li\u003e\r\n    \u003cli\u003eMaintains drive and hold through powerful turns.\u003c\/li\u003e\r\n    \u003cli\u003eVersatile performance feel across a variety of surf.\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 excels in \u003cstrong\u003ehollow waves\u003c\/strong\u003e and is especially well-suited to \u003cstrong\u003ebeach breaks\u003c\/strong\u003e, where quick reactions,\r\n    fast transitions, and tight arcs are essential.\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 Large\u003c\/h3\u003e\r\n  \u003cul\u003e\r\n    \u003cli\u003e\n\u003cstrong\u003eWeight Range:\u003c\/strong\u003e 75–90 kg (165–200 lbs)\u003c\/li\u003e\r\n  \u003c\/ul\u003e\r\n\r\n  \u003ch3\u003eFin Dimensions (Large)\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 4.44\" (112.8 mm)\u003c\/li\u003e\r\n    \u003cli\u003e\n\u003cstrong\u003eDepth:\u003c\/strong\u003e 4.65\" (117.9 mm)\u003c\/li\u003e\r\n    \u003cli\u003e\n\u003cstrong\u003eArea:\u003c\/strong\u003e 16.00 in² (10,324 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 4.39\" (111.4 mm)\u003c\/li\u003e\r\n    \u003cli\u003e\n\u003cstrong\u003eDepth:\u003c\/strong\u003e 4.52\" (114.8 mm)\u003c\/li\u003e\r\n    \u003cli\u003e\n\u003cstrong\u003eArea:\u003c\/strong\u003e 14.99 in² (9,672 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 tail release.\u003c\/li\u003e\r\n    \u003cli\u003eExcellent for beach breaks and hollow, punchy waves.\u003c\/li\u003e\r\n    \u003cli\u003eSmaller center fin increases pivot for progressive surfing.\u003c\/li\u003e\r\n    \u003cli\u003ePerformance Core construction balances flex, drive, and hold.\u003c\/li\u003e\r\n    \u003cli\u003eFCS II tool-less installation for fast swaps between sessions.\u003c\/li\u003e\r\n    \u003cli\u003eClean White Edition look 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 run by surfers who care about getting you on the right gear.\r\n    Every purchase supports real surf knowledge, quality products, and a local community built around the ocean.\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 surfers who want \u003cstrong\u003espeed, tight turns, and quick snaps\u003c\/strong\u003e, with a feel that encourages\r\n    fast, progressive maneuvers—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 for the \u003cstrong\u003eFCS II fin system\u003c\/strong\u003e and are recommended for \u003cstrong\u003eperformance shortboards\u003c\/strong\u003e\r\n    with moderate-to-low rocker.\r\n  \u003c\/p\u003e\r\n\r\n  \u003ch3\u003eWhat surfer weight is size Large recommended for?\u003c\/h3\u003e\r\n  \u003cp\u003e\r\n    Size Large is recommended for surfers weighing approximately \u003cstrong\u003e165–200 lbs (75–90 kg)\u003c\/strong\u003e.\r\n  \u003c\/p\u003e\r\n\r\n  \u003ch3\u003eWhat’s the benefit of the smaller center fin?\u003c\/h3\u003e\r\n  \u003cp\u003e\r\n    The Reactor features a smaller center fin to increase \u003cstrong\u003epivot and tail release\u003c\/strong\u003e, making the board feel more responsive\r\n    and easier to snap through tight sections.\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 tool-less installation and removal, making fin swaps quick and easy.\r\n  \u003c\/p\u003e\r\n\u003c\/article\u003e\r\n","brand":"FCS","offers":[{"title":"Default Title","offer_id":52179680952603,"sku":"118166","price":134.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0707\/6868\/9435\/files\/118166.jpg?v=1779161407","url":"https:\/\/ridershack.com\/products\/fcs-ii-reactor-pc-large-thruster-surfboard-fin-set-in-white","provider":"Rider Shack","version":"1.0","type":"link"}