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FCS Slater Trout 8" Fin

by: FCS

Versatile SUP fin designed by renowned SUP waterman Slater Trout.

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Brand: FCS
GTIN: 9340935033980

Tagged: 100-to-249, accessories, fcs, Fin, parts, sup

Slater Trout 8" Fin

Slater designed this as an all rounder for course racing in the surf. Literally a fin that does everything well. Tracking more strokes per side with the ability to surf well and buoy turn very quickly. 8 1/2 inch depth provide stability without shallow spot liability.

  • Dual purpose race and surf fin designed by Slater Trout
  • Manoeuvrability in the surf and around buoys
  • Designed to easily shed weed
  • Stiff and lightweight carbon skin UL construction
  • Includes FCS Smart Screw


Base: 7.01" / 178mm
Depth: 9.01" / 229mm
Area: 42.60"² / 27483mm²
Sweep: 34º
Foil: 50/50

BASE is the length between the leading and trailing edge where the fin meets the board. Base is primarily linked to drive. Fins with a longer base will offer substantially more drive and acceleration.

DEPTH is the distance the fin penetrates into the water. Depth directly relates to hold. The greater the depth the more hold, the shorter the depth the more a board will slide and release.

AREA is the total surface area of the fin.

SWEEP is the angle measuring how far the outline of the fin is curved backwards; also referred to as rake. Sweep has a direct influence on pivot. Fins with more sweep producea longer turning arc, less sweep offers a tighter turning arc.

Foil refers to the shape and geometry of the inside and outside faces of the fin. Foils directly affect the flow of water over the surface of the fin. Different foils create variations in water flow and have a direct link to the overall performance of the fin and the board.
FLAT: A flat inside face combined with a convex outside face. The traditional flat sided foil offers an even combination of drive, pivot and hold and provides a very consistent, reliable feel over a wide variety of conditions.

INSIDE: A sophisticated hydrodynamic foil consisting of a convex outside face, a rounded leading edge and a concaved inside face. Inside foil increases the efficiency of water flow over the surface of the fin adding lift and reducing drag. The result is a fin with more options through increased hold and speed.

50/50: A symmetrical foil used on all centre fins where both sides are convex. Even water flow on both sides creates stability and control.

70/30 or 80/20: Combines the performance of a centre and side fin offering increased speed, smooth rail-to-rail transitions and a consistent feel in a variety of conditions. (Ideal for all board types and rear fin placements)


This lightweight RTM construction draws on the strength of carbon to provide immediate response when loading up the fins and driving through turns. UL fins have a highly stiff flex pattern, for this reason they suit fast surfing, and are favoured by power surfers who like to perform explosive turns on critical parts of the wave.