Reactor // Beach Break Designed for speed and tight turns with added tail release, the Reactor’s upright template allows for sharper, more acute directional changes in beach-break conditions.Featuring a smaller centre fin for increased pivot and tail release, the Reactor is ideal for surfers who like to perform fast, progressive turns. FCS II White Edition The FCS II Essential Series White Edition brings timeless style to proven performance. Built from our four Essential Series fin templates—each suited to different surfing conditions and offering a distinctive feel—this collection pairs our popular Performance Core construction with a clean, all-white aesthetic inspired by the era of classic fixed fins. No colour clashes. No second-guessing. Just a simple look that pairs with any board and delivers the feel you know and trust. Ideal Conditions Suitable for hollow waves; particularly strong in beach breaks. Board Types Designed to fit the FCS II Fin System. Recommended for performance shortboards with moderate-to-low rocker. Fin Family Reactor: Find Speed. Speed, tight turns, and snappy reactions.