FCS II Fins Accelerator PC Grom Tri Fin Set

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Fun-sized for smaller surfers or those that like a lot of play underfoot, the FCS II Accelerator PC Grom Tri Fin Set focuses on going fast and cranking quick direction changes. Offering controlled high speed turns and precision in critical conditions, the Accelerator was designed for a balance of speed, flow and response with added control. Performance Core construction delivers a stiff and responsive fin that is incredibly lightweight. Particularly good in critical overhead waves, the Accelerator Series caters to those who like to attack the wave, performing aggressive snaps and power carves.


Performance Core construction features an updated large hex core that reduces weight, resulting in a lighter and more responsive fin. 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.

Tech Specs

  • Base: 3.95 in, 100.3 mm
  • Depth: 4.13 in, 105 mm
  • Area: 12.38 sq in, 7985 sq mm
  • Sweep: 33.7°
  • Foil: Flat


  • Size: X-Small
  • Fins in set: 3
  • Material: Performance Core


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