FCS Rob Machado Twin + Stabilizer Fin Set

The stabilizer fin acts as a pivot point, adding a layer of control and 'bite' that standard twin fins often lack. It helps prevent the board from sliding out during aggressive turns while maintaining the loose, fast sensation twin fins are known for.

No. These fins are designed exclusively for the FCS II system, which uses a tool-less click-in mechanism. They will not fit into older boards that require screws or grub screws to secure the fins.

The XL size is generally recommended for surfers weighing over 85kg (190lbs). If you are lighter, you may find these fins too stiff and difficult to maneuver, as the larger template provides significant drive and surface area.

Performance Core construction uses a multi-layered resin transfer molding process. This results in a fin that is lightweight but stiff enough to provide consistent flex and drive, helping you maintain speed through turns without the fin feeling sluggish.

Yes, you can remove the center stabilizer fin to ride the board as a traditional twin. This will make the board feel looser and more skate-like, though you will lose some of the hold and stability provided by the trailer.