FCS II JS Fin

These fins are specifically engineered for boards with deep concaves and moderate-to-extreme rocker profiles. They are designed to complement boards that need extra drive and control in high-performance conditions.

While they can be used in various conditions, they truly shine in open-face, down-the-line waves like point or reef breaks. If you primarily surf smaller, mushy beach breaks, you might find a more upright, pivot-oriented fin template better suited to your needs.

Performance Core construction balances a lightweight feel with a consistent flex pattern. It provides a reliable, snappy response that helps you maintain speed through turns without feeling overly stiff or sluggish.

The Large size is generally recommended for surfers weighing between 75kg and 90kg (165lbs - 200lbs). If you fall within this range, this size will provide the necessary surface area to generate drive and hold through aggressive maneuvers.

No, the FCS II system is designed for tool-less installation. You can simply click the fins in and out of the fin boxes by hand, making it easy to swap them out at the beach.