FCS II Retro Keel Twin Fin Set - White

Low aspect keel twin designed for fish shapes. Fast and loose with minimal drag.

Please choose carefully as there are no refunds or exchanges available for clearance sale items.

Rated 4.9 out of 5
Based on 7 reviews
Low Stock Numbers!
  • Overview

    • Low aspect keel template designed for fish shapes with contemporary outlines and concaves.
    • Lowest area keel in the FCS range.
    • Feels fast and loose with minimal drag, and encourages a more progressive and radical approach to riding a fish.

    Board Types

    • Designed to fit the FCS II Fin System.
    • Recommended for all board types including fish, funboard and twin fin boards.

  • 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.


  • X-LARGE (One size suits all)

    View the FCS Fin Data page for Base/Depth/Area/Foil information.




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    average rating 4.9 out of 5
    Based on 7 reviews
    • 5 Stars
      6 Reviews
    • 4 Stars
      1 Review
    • 3 Stars
      0 Reviews
    • 2 Stars
      0 Reviews
    • 1 Star
      0 Reviews
    86% of reviewers would recommend this product to a friend
    Customer photos and videos
    7 Reviews
    Reviewed by Grant M., from Australia
    Verified Buyer
    I recommend this product
    Surfing Ability
    Intermediate +
    Board Type
    • Funboard
    Rated 5 out of 5
    Review posted

    FCS II Retro Keel Twin

    Purchased these to try in my JS Big Baron and instantly noticed a different feel to the board from the Power Twins I've been using. Particularly in small surf where it felt like the board was easier to turn. Happy I bought the keels, would love to try them in a fish!

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    Reviewed by Javier Caldelas M.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5
    Review posted

    Quillas Keel

    Buenas quillas, dan mucho control a la tabla, incluso cuando las olas son mas fuertes o grandes.

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    Reviewed by Jay
    Rated 5 out of 5
    Review posted

    5 Stars

    These are incredible Fins, great service and arrived quickly.

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    Reviewed by Toby J., from Australia
    Verified Buyer
    I recommend this product
    Surfing Ability
    Intermediate +
    Board Type
    • Performance
    Rated 4 out of 5
    Review posted

    FCS II Retro Keel Twin Fins White

    Great fins - worked really well on my Seaside:)

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    Reviewed by Lucie H., from Australia
    Verified Buyer
    I recommend this product
    Surfing Ability
    Advanced
    Board Type
    • Performance
    • Funboard
    Rated 5 out of 5
    Review posted

    Flower Power

    The white retro keel fins give your imaginatio space to upgrade your board design as you wish 😊

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