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FCS II Matt Biolos Split Keel Quad PG - Smoke

FCS II Matt Biolos Split Keel Quad PG - Smoke

Regular price $279.95 NZD
Regular price Sale price $279.95 NZD
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*Sale price matching available on the same stocked items, just give us a call or email.

Matt 'Mayhem' Biolos's 'MB' PG shaper fin. High area specialty quad set adds bite and control.

Upright keel template designed for traditional fish shapes.


  • Matt 'Mayhem' Biolos's specialty 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 

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.


Base (inches)

Base (mm)

Depth (inches)

Depth (mm)

Area (inches)

Area  (mm)

Sweep Deg°


Side  5.27 133.7 4.66 118.4 18.31 11810 42.5° Flat
Q-Rear  4.03 102.2 4.40 111.8 12.63 8150
28.5° 80/20
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