Features: Designed for speed and tight turns, with added tail release. Upright template allows for tighter, more acute directional changes. Smaller centre fin for increased pivot and tail release. Ideal for surfers who like to perform fast, progressive turns. Quad Rear (2 fin) set. Wave Type: Suitable for hollow waves, particularly good for beach breaks. Works Best With: FCS II Fin System. Recommended for performance shortboards with moderate-to-low rocker. FCS Fin Family: Reactor: Find Speed. Speed, tight turns & snaps.