FCS II Retro Keel Fins
Best premium upgrade for surfers seeking classic twin fin flow.
These fins bring a modern performance edge to classic fish shapes by reducing surface area for better release. They offer a more dynamic feel than traditional keel templates, making them a great choice for surfers who want to push their fish boards harder.
$80.40
at
Surffcs
More Retro Keel options
Who it's for
- Surfers seeking maximum glide and speed on traditional fish shapes.
- Practical surfers who value quick transitions and convenience.
- Stylists prioritizing a fluid, retro aesthetic and smooth rail-to-rail transitions.
Who should skip it
- Performance-oriented riders looking for tight, aggressive maneuvers.
- Owners of older boards or alternative fin box systems.
- Advanced surfers tackling powerful, vertical waves requiring quick release.
Performance breakdown
Maneuverability
Reduced surface area allows for tighter turns than traditional keel templates.
Speed Generation
Keel design maintains excellent drive while accelerating through flat sections.
Release
Engineered for quick, snappy exits during high-performance fish maneuvers.
Material Rigidity
Performance Glass construction provides a stiff, responsive feel under heavy load.
Installation Ease
FCS II system makes swapping fins effortless without needing any tools.
Board Compatibility
Limited strictly to modern FCS II boxes, excluding older plug setups.
Key Specs
Fin System
FCS II
Fin Type
Twin
Construction
Performance Glass
Base Length
4.61 inches
Height
4.73 inches
Sweep
47.0 degrees
Area
22.58 square inches
Size
XL
Flex
Stiff
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