FCS II Split Keel Quad Fins

High area specialty quad set adds bite and control without sacrificing pivot.

Upright keel template designed for traditional fish shapes.

Rated 5.0 out of 5
Based on 6 reviews
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  • Overview

    • Specialty split keel quad fin set.
    • High area quad keel set adds bite and control to hybrid boards with wide tails, without sacrificing pivoting capabilities.

    Board Types

    • Designed to fit the FCS II Fin System.
    • Recommended for all board types including modern fish and hybrid models with moderate-to-low rocker.

  • 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.


  • Large - Extra Large (One size suits all)

    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

    Side  5.41 137.3 4.79 121.5 19.27 12432
    42.5° Flat
    Q-Rear  4.03 102.2 4.40 118.8 12.63 8150 28.5° 80/20

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



  •  
    • average rating 5.0 out of 5
      Based on 6 reviews
      • 5 Stars
        6 Reviews
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      100% of reviewers would recommend this product to a friend
      Customer photos and videos
      6 Reviews
      Reviewed by Gregory C., from United States
      Verified Buyer
      I recommend this product
      Surfing Ability
      Intermediate +
      Board Type
      • Performance
      Rated 5 out of 5
      Review postedabout 1 month ago

      FCS Fins / Fish

      I tried my new fins for the first time yesterday on my new Fish and it was a whole different experience. I have always ridden tri fin set up boards and it was time to try something different. It took a few waves to get used to the new board and fin set up. By the end of the session, I was learning how to maneuver between my rails and make solid turns both front and backside with ease.

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      Reviewed by Anthony C., from United States
      Verified Buyer
      I recommend this product
      Surfing Ability
      Advanced
      Board Type
      • Funboard
      Rated 5 out of 5
      Review postedover 3 years ago

      Super fun

      I put them in a lost puddle jumper, gives the board ton of drive, full lay rail turns yet still allows the tail to release when you want it. Gave me more confidence to surf the board a bit harder. I think it’s a perfect blend of a fish type feel with a little more aggressive abilities! Went better on a slower reef break feels a little too on rails for a beach break though!

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      Reviewed by justin c., from Australia
      Verified Buyer
      I recommend this product
      Surfing Ability
      Intermediate +
      Board Type
      • Funboard
      Rated 5 out of 5
      Review postedalmost 5 years ago

      Grippy carvers

      Plenty of grip on the take off drop bottom turns with this design whilst not comprising speed when you're hot-dogging to make a section and it also gives you some sweet power when slices up fat faces

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      Reviewed by Stuart M., from Australia
      Verified Buyer
      I recommend this product
      Surfing Ability
      Advanced
      Board Type
      • Performance
      • Funboard
      • Step Up
      • Longboard
      Rated 5 out of 5
      Review postedalmost 5 years ago

      Split Keel fins

      Great for easily generating speed , in shoulder high or smaller , glassy , conditions , when used on boards with high tail areas , and soft boards..

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      Reviewed by Chris D., from Australia
      Verified Buyer
      I recommend this product
      Surfing Ability
      Intermediate +
      Board Type
      • Funboard
      Rated 5 out of 5
      Review postedalmost 6 years ago

      Awesome

      Awesome

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