FCS II Channel Islands Keel Surfboard Fins
Best performance upgrade for intermediate twin fin enthusiasts.
These fins are designed to bring classic speed and drive to modern fish shapes. The stiff construction provides a reliable, locked-in feel that helps generate momentum in smaller, weaker surf where you need every bit of help to keep moving.
$146.00
at
Surffcs
More CI Keel options
Who it's for
- Twin-fin enthusiasts seeking maximum velocity on open wave faces
- Surfers wanting a secure feel during high-speed directional changes
- Travelers and frequent surfers who value quick hardware adjustments
Who should skip it
- Performance-oriented surfers prioritizing snappy, top-to-bottom turns
- Lightweight riders who prefer a more springy and responsive flex
- Owners of boards with Futures or original FCS fin boxes
Performance breakdown
Drive and acceleration
Keel template delivers exceptional speed generation on flatter, weaker wave faces.
Hold and stability
Wide base provides reliable grip through drawn-out, carving turns.
Installation speed
FCS II system makes fin swaps effortless without needing a key.
Flex responsiveness
Performance Glass construction offers a stiff, predictable feel in hard turns.
Maneuverability
Designed for flow rather than tight, high-performance pivot turns.
Durability
Solid glass layup withstands heavy use and minor reef impacts well.
Key Specs
Material
Performance Glass
Fin System
FCS II
Base Length
6.41 inches
Depth
5.15 inches
Area
25.53 square inches
Sweep
37.0 degrees
Foil
Flat
Configuration
Twin
Color
Smoke
Know before you buy
Still have a question?
Ask Metto anything about the FCS II Channel Islands Keel Surfboard Fins before you decide.
