FCS II CI Upright Tri Fin Set

A collaboration with Channel Islands Surfboards, the CI Upright is designed for speed and tight turns.

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Rated 5.0 out of 5
Based on 19 reviews
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  • Overview

    • A collaboration with Channel Islands Surfboards, the CI Upright is designed for speed & tight turns.
    • A template that comes to life in punchy hollow waves, but can also suit conditions where you need the start up speed to get going.

    Ideal Conditions

    • Hollow steep waves, punchy beach breaks.

    Board Types

    • Designed to fit the FCS II Fin System.
    • Performance boards with deep concaves and moderate-to-extreme rocker.

    Fin Family

    • Reactor: Find Speed. Speed, tight turns & snaps.

    Britt Merrick Breaks Down Channel Islands' Upright Tri Fin


  • Performance Core

    Performance Core (PC) fins are made using a multi-layered resin transfer molding process. The flex pattern in PC fins extends progressively from the base through to the tip, helping the surfer to maintain drive and hold through a turn. This versatile fin material is light, and can be used in a variety of different conditions.

    Britt Merrick Breaks Down The Channel Islands "Upright" Fin


  • MEDIUM (65Kg - 80Kg / 145 - 175 Lbs)
    LARGE (75Kg - 90Kg / 165 - 200 Lbs)

     Fin

    Base (inches)

    Base (mm)

    Depth (inches)

    Depth (mm)

    Area (inches)

    Area  (mm)

    Sweep Deg°

    Foil

    MED 4.39 111.4 4.59 116.4 15.04 9700 30.3° Flat
    LRG 4.50
    114.2 4.70 119.3 15.79 10190 30.3° Flat

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




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    • average rating 5.0 out of 5
      Based on 19 reviews
      • 5 Stars
        19 Reviews
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      100% of reviewers would recommend this product to a friend
      Customer photos and videos
      19 Reviews
      Reviewed by Martin F.
      Verified Buyer
      I recommend this product
      Rated 5 out of 5
      Review posted

      Fins FCS 2 upright M

      Nice fins for beach breaks ! Perfect set up with my merrick happy everyday

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

      Tight turns

      Tight turns in the pocket. Good start up speed. More up right than original reactor. Great addition to my arsenal of fins.

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      Reviewed by Matthias F.
      Verified Buyer
      I recommend this product
      Rated 5 out of 5
      Review posted

      great fin

      a little less drag/hold than the Fannings, more springy but still great hold through turns and drive for generating speed

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      Reviewed by Mark A., from Australia
      Verified Buyer
      I recommend this product
      Surfing Ability
      Advanced
      Rated 5 out of 5
      Review posted

      Amazing Service and Fast Deluvery

      Exactly what I expected and performed as needed

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

      Good looking fin

      Classic performer shape

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