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  • About Us
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      • The Diamondback
      • The .38 Special
      • The Wraith
      • The Speed Demon
      • The Vortex
    • Step-Up & Big Wave Guns
      • The Python
      • The Peacemaker
      • The Quick Draw
      • The Kraken
    • Grovelers
      • The Snub Nose
      • The Short Fuse
    • Fish Models
      • The Retro Rocket Fish
      • The Winged Fury Fish
      • The Black Hawk Fish
      • The Reaper
    • Mid-Length Models
      • The Flow Rider
      • The Smooth Cruiser
      • The Easy Rider
    • Longboard Models
      • The Reefer
      • The Judge
      • The Aloha Glider
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      • Quad Fin Sets/ Quad Rear Sets
      • Athlete/ Shaper Series Fin Sets
      • Twin Fin Sets/ Keel Fin Sets
      • Longboard & Mid-Lengths
      • Big Wave Fin Sets
      • SUP
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      • Twin Fin Sets
      • Thruster Fin Sets
      • Quad Fin Sets
      • Quad Rear Fins
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      • Mid-Length 2+1 Fin Sets
      • Paddle/SUP Fin
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  1. Home
  2. Twin/Keel Fins
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    Twin/Keel Fins

    FCS II Twin/Keel Fin Sets

    Explore our selection of FCS II twin and keel fin sets. Perfect for enhancing speed and maneuverability, these fins are designed for surfers seeking a smooth and fluid ride in smaller to medium-sized waves.

    • Control
    • Speed
    • Balance
    • Power
    • Quad Fin Sets/ Quad Rear Sets
    • Athlete/ Shaper Series Fin Sets
    • Twin Fin Sets/ Keel Fin Sets
    • Longboard & Mid-Lengths
    • Big Wave Fin Sets
    • SUP
    FCS II AIPA TWIN + STABILISER FIN - One Revolver Surfboards
    FCS II AIPA TWIN + STABILISER FIN - One Revolver Surfboards
    FCS II AIPA TWIN + STABILISER FIN
    $129.99
    FCS II ALBUM TWIN + 1 FIN SET - One Revolver Surfboards
    FCS II ALBUM TWIN + 1 FIN SET - One Revolver Surfboards
    FCS II ALBUM TWIN + 1 FIN SET
    $129.99
    FCS II Christenson Twin - One Revolver Surfboards
    FCS II Christenson Twin - One Revolver Surfboards
    FCS II Christenson Twin
    $119.99
    FCS II JS Power Twin Fin - One Revolver Surfboards
    FCS II JS Power Twin Fin - One Revolver Surfboards
    FCS II JS Power Twin Fin
    $120.00
    FCS II Mark Richards '78 Twin Fin Set - One Revolver Surfboards
    FCS II Mark Richards '78 Twin Fin Set - One Revolver Surfboards
    FCS II Mark Richards '78 Twin Fin Set
    $124.99
    FCS II Mark Richards Eco Neo Glass Twin + Stabilizer - One Revolver Surfboards
    FCS II Mark Richards Eco Neo Glass Twin + Stabilizer - One Revolver Surfboards
    FCS II Mark Richards Eco Neo Glass Twin + Stabilizer
    $99.99
    FCS II Mark Richards Freeride Twin Fins - One Revolver Surfboards
    FCS II Mark Richards Freeride Twin Fins - One Revolver Surfboards
    FCS II Mark Richards Freeride Twin Fins
    $124.99
    FCS II Mark Richards Twin + Stabilizer - One Revolver Surfboards
    FCS II Mark Richards Twin + Stabilizer - One Revolver Surfboards
    FCS II Mark Richards Twin + Stabilizer
    $124.99
    FCS II MICK FANNING TWIN - One Revolver Surfboards
    FCS II MICK FANNING TWIN - One Revolver Surfboards
    FCS II MICK FANNING TWIN
    $134.99
    FCS II Otis Carey Twin + 1 Fin Set - One Revolver Surfboards
    FCS II Otis Carey Twin + 1 Fin Set - One Revolver Surfboards
    FCS II Otis Carey Twin + 1 Fin Set
    $134.99
    FCS II Panda Twinzer Fins - One Revolver Surfboards
    FCS II Panda Twinzer Fins - One Revolver Surfboards
    FCS II Panda Twinzer Fins
    $139.99
    FCS II Performer Keel Twin Fins - One Revolver Surfboards
    FCS II Performer Keel Twin Fins - One Revolver Surfboards
    FCS II Performer Keel Twin Fins
    $109.99
    FCS II Performer Twin + 1 Fin Set - One Revolver Surfboards
    FCS II Performer Twin + 1 Fin Set - One Revolver Surfboards
    FCS II Performer Twin + 1 Fin Set
    $129.99
    FCS II Power Twin + 1 Fin Set
    FCS II Power Twin + 1 Fin Set
    $130.00
    FCS II Power Twin Fins - One Revolver Surfboards
    FCS II Power Twin Fins - One Revolver Surfboards
    FCS II Power Twin Fins
    $104.99

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    FCS II Twin/Keel Fin Sets: Speed & Stability