FCS II Retro Keel Twin Fin Set

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

Free shipping on this item

Rated 4.8 out of 5
Based on 5 reviews
Product In Stock
  • 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.


  • Small - Medium

    New Sizing for Specialty Fins

    You may notice new size ratings for our Specialty Fin Range. Previously, all Specialty Series fins were rated an XL. To better reflect fin sizing, we now have 3 new size categories: S-M, M-L, and L-XL.

    Please refer to the Size/Fin Data tab on the product page to compare dimensions, or you can find more information on the FCS Fin Data Page

     Fin

    Base (inches)

    Base (mm)

    Depth (inches)

    Depth (mm)

    Area (inches)

    Area  (mm)

    Sweep Deg°

    Foil

    S/M 7.28 184.8 4.73 120.0 22.58 14565
    38.3° 80/20

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




  • We offer:

    • Free Express Shipping: on this item.
    • Tracking: Quick & easy online tracking. 
    • Peace of Mind: All our deliveries are fully insured against damage.
    • Returns: 30-day exchange or refund for unopened items.

     

     
    average rating 4.8 out of 5
    Based on 5 reviews
    • 5 Stars
      4 Reviews
    • 4 Stars
      1 Review
    • 3 Stars
      0 Reviews
    • 2 Stars
      0 Reviews
    • 1 Star
      0 Reviews
    100% of reviewers would recommend this product to a friend
    Customer photos and videos
    5 Reviews
    Reviewed by Doug H.
    Verified Buyer
    I recommend this product
    Rated 4 out of 5
    Review posted

    Hood retro keel review

    Extremely stoked on the new retro keels, first time installing the FCS II fin system as a backyard board builder. Boxes came out nice and flush with perfect placement on a hand shaped 5’5” fish, retro keels not only look nice but performed nice on a head high to foot overhead swell here in Jersey the past few days, thanks for making such a great product!

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    Reviewed by Shane D., from Australia
    Verified Buyer
    I recommend this product
    Surfing Ability
    Intermediate +
    Board Type
    • Funboard
    Rated 5 out of 5
    Review posted

    Great fins

    Put these in a stretched out LSD 8’0 twin fin. Previously the board was fast but a little horizontal if that makes sense. These fins loosened it up but it still retained the drive. I am a massive fan 👌

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    Reviewed by Ross L., from Australia
    Verified Buyer
    I recommend this product
    Surfing Ability
    Intermediate +
    Board Type
    • Other
    Rated 5 out of 5
    Review posted

    very enjoyable

    feels good with nice drive out of turns

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    Reviewed by Lopesy, from Australia
    Verified Buyer
    I recommend this product
    Surfing Ability
    Intermediate +
    Board Type
    • Funboard
    Rated 5 out of 5
    Review posted

    Awesome Retro Keels

    Noticed the lack of drag straight away whilst paddling! Turned my Bourton Hydro Twin into a straight line dragster! Love the retro template too.

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    Reviewed by Hobart M., from United States
    Verified Buyer
    I recommend this product
    Surfing Ability
    Experienced
    Board Type
    • Funboard
    Rated 5 out of 5
    Review posted

    Good hold & release. Very responsive

    Ability to give average twinfin surfers hold in pocket & the traditional release

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