The FCSII Rob Machado Sunday Single fin is designed specifically for the Firewire Sunday surfboard. It provides very good speed and ease when making turns.
Its wide base offers a lot of traction and its short height facilitates movements and turns when making maneuvers. It is compatible with side bytes side fins.
Building:
Performance Glass: The fins built with Performance Glass technology are characterized by their flex and mechanical characteristics identical to traditional fixed fiberglass fins, but with more reactivity, a spectacular appearance, and greater durability.