Features

  • Name The FCS II CI Performance Core Thruster
  • Size Medium (approximate rider weight 65 to 80 Kg)
  • Construction Performance Core
  • Colour Black/Flame

Description

The FCS II CI PC Thruster Set from the Shapers Series based on the Reactor template.

This Al Merrick Channel Islands colab fin is designed maximum speed and tight turns. This fin works in a wide variety of conditions but comes to life in punchy waves where you need quick acceleration and speed out of your bottom turn.

The Performance Core (PC) construction is made using a multi-layered resin transfer molding process. The flex pattern in PC fins extends progressively from the base through to the tip, helping the surfer to maintain drive and hold through a turn. This versatile fin material is light, and can be used in a variety of different conditions. The FCS II CI PC fins are another step forward in using fin tech to maximise your boards performance. This excellent fin is best suited to more performance shapes with more rocker and deeper concaves. The CI PC fin set-up is going to be your go to choice.

PLEASE NOTE: These FCS II fins are NOT compatible with the original FCS and FCS Fusion fin plugs.

Delivery & returns

  • For delivery between Thu 23 Jul 2026 and Mon 27 Jul 2026

    Royal Mail 3 - 5 Working Days

    £3.99

 

What if I need to send something back for exchange or refund? 

 

It's not a problem, all purchases on Boardshop.co.uk are covered by a 14 day exchange or refund guarantee. If you are not completely satisfied with your purchase it can be exchanged or the cost of the item(s) refunded. In case of all returns you will need to contact us for a returns number.

 

Please click here for further information.

 

Prices shown are for mainland UK delivery. For full worldwide delivery info please click here.

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FCS II CI PC Tri Fins Medium - Black/Flame

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Overview

Key features and details

No Fin Key, No Fuss

FCS II Fins are designed for speed, in and out of the water. Thanks to their patented tool-less system, you can swap fins with a simple click, no fin key or screws required. This system saves time and effort without sacrificing hold or performance.

Will these fit my Surfboard?

Made for FCS II fin boxes - the ones with two slots and no need for screws. They’ll still work with optional grub screws if your board has them, but they’re not essential. If your board has FCS I (older screw-in) boxes, these won’t fit.

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