FCS II CI Upright Surfboard Fins
Best performance upgrade for surfers seeking tight turns and quick response.
Built for speed and sharp, vertical maneuvers in punchy waves. The upright template and flat foil design prioritize quick release and responsiveness, making them a top choice for surfers who need to maintain control in critical, steep sections.
$146.00
at
Rider Shack
Who it's for
- Surfers seeking quick, reactive maneuvers in punchy beach breaks
- Travelers and commuters who value fast, hassle-free board setups
- Performance-oriented riders wanting a balance of release and control
Who should skip it
- Power surfers who prefer drawing long lines on massive faces
- Owners of boards with Futures or original FCS fin plugs
- Novice riders still developing their weight distribution and timing
Performance breakdown
Turning responsiveness
Upright template allows for immediate, pivot-style turns in tight pockets.
Speed generation
Rapid start-up speed helps you accelerate quickly off the bottom.
Installation ease
FCS II system eliminates screws for seamless, tool-free fin swaps.
Drive and hold
Flat foil design prioritizes quick release over long, drawn-out carves.
Weight-to-strength ratio
Performance Core construction keeps the board feeling lively and featherlight.
Wave versatility
Best suited for punchy, hollow waves rather than soft, mushy conditions.
Key Specs
Fin System
FCS II
Construction
Performance Core
Fin Type
Thruster
Base Length
4.50 inches
Depth
4.70 inches
Area
15.79 square inches
Sweep
30.3 degrees
Foil
Flat
Max Rider Weight
210 lbs
Board Compatibility
Shortboard, Hybrid, Step-down
Know before you buy
Still have a question?
Ask Metto anything about the FCS II CI Upright Surfboard Fins before you decide.
