FCS II Reactor PC Carbon Tri Set Surf Fins LIGHTER CONSTRUCTION. SMOOTHER FEEL. The new PC Carbon Essential Series utilizes a superior blend of carbon tissue and our ultralight AirCore construction to deliver a more user-friendly flex to achieve faster start up acceleration, and a smoother feel through turns. Designed for speed and tight turns, with added tail release. Upright template allows for tighter, more acute directional changes. Smaller center fin for increased pivot and tail release. Ideal for surfers who like to perform fast, progressive turns. Suitable for hollow waves, particularly good for beach breaks. Designed to fit the FCS II Fin System. Recommended for performance shortboards with moderate-to-low rocker. Reactor: Find Speed. Speed, tight turns & snaps. MEDIUM (65Kg - 80Kg / 145 - 175 Lbs) LARGE (75Kg - 90Kg / 165 - 200 Lbs) Fin Base (inches) Base (mm) Depth (inches) Depth (mm) Area (inches) Area (mm) Sweep Deg° Foil MED Side 4.33 110 4.53 115.0 15.23 9824 32.0 Flat MED Ctr 4.28 108.7 4.41 112.0 14.22 9172 31.0° 50/50 LRG Side 4.44 112.8 4.65 117.9 16.00 10324 32.0° Flat LRG Ctr 4.39 111.4 4.52 114.8 14.99 9672 31.0 50/50