FCS II Reactor Quad Rear Fins

Speed ​& tight turns. Ideal for beach breaks.

Rated 4.9 out of 5
Based on 21 reviews
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  • Overview

    • Designed for speed and tight turns, with added tail release.
    • Upright template allows for tighter, more acute directional changes.
    • Smaller centre fin for increased pivot and tail release.
    • Ideal for surfers who like to perform fast, progressive turns.
    • Quad Rear (2 fin) set.

    Ideal Conditions

    • Suitable for hollow waves, particularly good for beach breaks.

    Board Types

    • Designed to fit the FCS II Fin System.
    • Recommended for performance shortboards with moderate-to-low rocker.

    Fin Family

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

  • 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.


  • MEDIUM (65Kg - 80Kg / 145 - 175 Lbs)

     Fin

    Base (inches)

    Base (mm)

    Depth (inches)

    Depth (mm)

    Area (inches)

    Area  (mm)

    Sweep Deg°

    Foil

    Q-Rear 4.04 102.2 4.40 111.8 12.63 8150 28.5° 80/20

    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 21 reviews
      • 5 Stars
        19 Reviews
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      100% of reviewers would recommend this product to a friend
      Customer photos and videos
      21 Reviews
      Reviewed by Ryan K., from Australia
      Verified Buyer
      I recommend this product
      Surfing Ability
      Intermediate +
      Board Type
      • Funboard
      Rated 5 out of 5
      Review posted5 months ago

      Great Fins

      Fins are great and FCS are the best in the business, service is fantastic as well. Can not rate them highly enough.

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      Reviewed by Paul C., from Australia
      Verified Buyer
      I recommend this product
      Surfing Ability
      Experienced
      Board Type
      • Performance
      Rated 5 out of 5
      Review posted6 months ago

      Very versatile.

      Originally only used AM2 trailers but grabbed these and it is surprising the difference. With wide tail boards a lot less delay. In small waves front L- AM’s & in bigger waves medium KA’s. Have recently borrowed a set of the new Dumpster Diver fins and used the sides (AM medium) and I think this is my fave combo. Will be buying a set of those ASAP.

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      Reviewed by Christian H.
      Verified Buyer
      I recommend this product
      Rated 5 out of 5
      Review postedabout 1 year ago

      Rayon de virages courts

      J'utilise les Reactor en quad pour la vitesse, le rayon de virage est vraiment plus court que les Performer et cela améliore la maniabilité de ma planche mid-size.

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      Reviewed by David T., from Australia
      Verified Buyer
      I recommend this product
      Surfing Ability
      Intermediate +
      Board Type
      • Funboard
      Rated 5 out of 5
      Review postedover 1 year ago

      Fast and spicy!

      Ran the quad set-up on the 5'10 fish for beachy fun. So fast and still loose enough for tight turns. Definitely helped the froth factor on days where I probably wouldn't have paddled out!

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      Reviewed by Luc N.
      Verified Buyer
      I recommend this product
      Rated 5 out of 5
      Review postedalmost 2 years ago

      Reactor rear quads

      They work great with the CI upright sidefins.

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