FCS II Matt Biolos Tri Fin Set

Designed by revered shaper Matt "Mayhem" Biolos. Same proven template with a new look.

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Rated 4.8 out of 5
Based on 13 reviews
Less than 5 left
  • Overview

    • The MB template offers freedom to perform tight turns in the pocket with an emphasis on speed.
    • Sitting in the reactor family, the MB is considered a high-performance fin because it responds incredibly fast, but still offers enough control so you can confidently lay into a turn with plenty of force.

    Ideal Conditions

    • A wide range of conditions, particularly good in critical overhead waves.

    Board Types

    • Designed to fit the FCS II Fin System.
    • Performance shortboards and hybrid models.

    Fin Family

    • Reactor: Find Speed. Speed, tight turns & snaps.
  • Performance Core Carbon

    Often referred to as PC Carbon or PCC, these fins are highly responsive and feature strategically placed carbon that’s designed to complement the fin template. PCC fins suit fast surfing and are favoured by power surfers who like to perform explosive turns on critical parts of the wave.

  • SMALL (55Kg - 70Kg / 120 - 155 Lbs)
    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

    SML  4.19 106.3 4.46 113.2 13.71
    8847 32.0° Flat
    MED 4.30
    109.2 4.59
    116.4 14.49
    9347 31.7° Flat
    LRG 4.41 111.9 4.74 120.3 15.26 9847 32.9° Flat

    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 13 reviews
    • 5 Stars
      11 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
    13 Reviews
    Reviewed by Ollie W., from Australia
    Verified Buyer
    I recommend this product
    Surfing Ability
    Experienced
    Board Type
    • Funboard
    • Performance
    Rated 5 out of 5
    Review posted

    Well rounded, reliable.

    These are great. They’re fast, react well but are quite well rounded. I feel I can put them in any of my boards and they’ll perform.

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

    Fun review

    Not to crazy about the graphics on the fins . So far the fins have impressed. Some good south swells will seal the deal I’m sure . Glad I purchased a set .

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

    Awesome fins!

    These fins are amazing! They’re set further back and perform great. I’ve ridden Mayhems before and these certainly did not disappoint. I highly recommend these fins!

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    Reviewed by RODRIGO M., from Brazil
    Verified Buyer
    I recommend this product
    Surfing Ability
    Advanced
    Board Type
    • Performance
    Rated 5 out of 5
    Review posted

    Ver good

    Excelent product

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    Reviewed by ken, from Australia
    Verified Buyer
    I recommend this product
    Surfing Ability
    Advanced
    Board Type
    • Performance
    Rated 4 out of 5
    Review posted

    Good board to great

    I have been using these fins in an 80’s style modern shortboard. It is longer, narrower and flatter in rocker compared with typical HPSB’s. Compared with reactor’s this fin set made the board significantly easier to ride both forehand and backhand without any loss of performance. The board with mb fins is now a keeper.

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