FCS II Reactor Quad Rear Fins

Speed ​& tight turns. Ideal for beach breaks.

Rated 4.9 out of 5
Based on 15 reviews
  • 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.


  •  
    average rating 4.9 out of 5
    Based on 15 reviews
    • 5 Stars
      13 Reviews
    • 4 Stars
      2 Reviews
    • 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
    15 Reviews
    Reviewed by Luc N.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5
    Review posted

    Reactor rear quads

    They work great with the CI upright sidefins.

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    Reviewed by Uira P., from Australia
    Verified Buyer
    I recommend this product
    Surfing Ability
    Experienced
    Board Type
    • Other
    Rated 5 out of 5
    Review posted

    Worked well!

    The quad fins worked very well in my JS sub xero!

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

    Great rear quads on HI MID6

    Great pivot and release, matched up with a set of Al Merrick AM’s large up front!

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

    Reactor Quad rears

    Love these quad rears, nice pivot and flex.

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    Reviewed by Jakob W., from United States
    Verified Buyer
    I recommend this product
    Surfing Ability
    Intermediate +
    Board Type
    • Performance
    Rated 5 out of 5
    Review posted

    Sick Fins

    Keeps the board pivoty and fast!

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