FCS II Fins GL1 Tri SUP Fin Set

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The highly maneuverable FCS II GL1 Tri SUP Fin Set offers great response in peeling, down-the-line point and reef breaks. Gerry Lopez's signature GL1 thruster delivers the most when surfed with power and force on larger surf craft. The low sweep angle combined with the high depth value provides pivotal control when driving through turns. The rear fin is designed to fit into any fin box making it versatile and easy to plug into any board. When drawing smooth, styled carves all the way down the line, the GL1 template is a tried and true way to go.

Tech Specs


  • Base: 3.98" / 101mm
  • Depth: 4.75″ / 120mm
  • Area: 14.41″² / 9300mm²
  • Sweep: 32.5°
  • Foil: Flat


  • Base: 3.98" / 101mm
  • Depth: 4.75″ / 120mm
  • Area: 14.41″² / 9300mm²
  • Sweep: 32.5°
  • Foil: Flat


  • Size: Large
  • Fins in set: 3
  • Material: Performance Core


Versatile RTM construction delivers a consistent feel similar to a traditional fiberglass fin, but with the advantage of reduced weight. The stiff flex pattern extends progressively from the base through to the tip helping the surfer to maintain drive and hold through a turn. PC fins are reliable, very responsive, and can be used in a variety of different conditions.


A flat inside face combined with a convex outside face. The traditional flat sided foil offers an even combination of drive, pivot and hold and provides a very consistent, reliable feel over a wide variety of conditions.

***Exclusively for the FCS II Fin System; will not fit in the traditional FCS Dual Plug System***


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If you are not 100% satisfied with your purchase you may return it for a full refund, or exchange within 30 days of receiving your order.