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FCS II SF4 Carbon Large Tri-Quad Fin Set

(1 Review) sku# 161054
FCS - II SF4 Carbon Large Tri-Quad Fin Set
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Product Info

When you call upon your board for speed and snappy turns, the FCS II WR Stretch PC Carbon Large Tri-Quad Fin Set delivers. With a cambered foil working for you, these fins give you lightning quick response in the heaviest conditions.

Product Details


Performance Core CarbonDynamic RTM construction with strategically placed carbon compliments the template and sweep angle of the fin, and produce a bespoke flex pattern with remarkable memory properties. In the water this translates to immediate response when loading up the fins and driving through turns. PCC fins suit fast surfing and are favored by power surfers who like to perform explosive turns on critical parts of the wave.


Front FinsBase: 4.61" / Depth: 4.65" / Area: 16.31in² / Sweep: 33°

Rear FinsBase: 4.18" / Depth: 4.18" / Area: 13.31in² / Sweep: 31.7°


Board TypesPerformance shortboards and hybrid models.

Developed in Conjunction with William "Stretch" Riedel

Lively Fin with Cambered Foil

For a Wide Range of Conditions, Particularly Critical Overhead Waves


5 Fins


  • Material: Carbon Fiber
  • Fin Category: 5-Fin
  • Fin Box Compatibility: FCS II
  • Includes: 5 Fins
  • Rider Size: L (165+ lbs)
Size Large
Rider Size L (165​+ lbs)



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