FCS II Christenson Longboard Fin (8.5" / Performance Glass / Black)

The 7.5" to 8.5" Christenson will work amazing in your favorite mid length board. Or step it up to the 9" to 9.5" for your everyday log. Performance Design Size Overview The 7.5" to 8.5" Christenson will work amazing in your favourite mid length board. Or step it up to the 9" to 9.5" for your everyday log. Performance Glass Performance Glass (PG) fins are machine cut from layers of solid fiberglass. These fins are stiff, and are widely used by pro level surfers because the integrity of the flex is maintained under immense force, and in the most extreme of conditions and situations. The FCS II Tool-Less Longboard System No need for a plate and screw. Ability to adjust your fin position in the box mid surf. Easily insert or remove your fin in seconds. No fin key required. Designed to be used in most existing Longboard boxes. No new box required. Fin Base (inches) Base (mm) Depth (inches) Depth (mm) Area (inches) Area (mm) Sweep Deg° Foil 7.5” 5.43 137.5 7.51 190.5 24.54 15833 33.3 50/50 8" 5.79 147.0 8.01 203.2 27.92 18015 33.3 50/50 8.5" 6.15 156.2 8.51 215.9 31.52 20337 33.3 50/50 9" 6.52 165.4 9.01 228.6 35.34 22800 33.3 50/50 9.5" 6.91 175.4 9.51 241.3 39.38 25404 33.3 50/50 View the FCS Fin Data page for Base/Depth/Area/Foil information.