Captain Fin Co. CF Keel
Best performance upgrade for surfers riding traditional twin fin fish boards.
A reliable, stiff fiberglass option for retro twin-fin enthusiasts. It balances a wider base with a subtle sweep to deliver consistent drive and smooth, predictable arcs on open faces.
$47.50
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Who it's for
- Surfers seeking maximum speed and flow on open face waves
- Twin-fin enthusiasts looking for a reliable all-around keel setup
- Performance-oriented riders who value durable and responsive fin materials
Who should skip it
- Progressive surfers wanting to perform sharp, vertical maneuvers
- Owners of narrow-tailed boards or high-performance shortboards
- Light-footed surfers riding extremely small or gutless summer waves
Performance breakdown
Drive and Acceleration
The wide base generates significant speed through flat sections effortlessly.
Hold and Stability
Provides a locked-in feeling during long, drawn-out bottom turns.
Flex Pattern
Stiff fiberglass construction offers minimal flex for a predictable, direct response.
Turning Radius
Designed for sweeping arcs rather than tight, pivot-heavy maneuvers.
Build Durability
Solid fiberglass layup withstands heavy use and minor reef impacts.
Retro Compatibility
Perfectly tuned for traditional fish shapes and classic twin-fin setups.
Key Specs
Material
Fiberglass
Fin System
Futures
Flex
Stiff
Foil
Flat
Fin Depth
5.35 inches
Fin Base Length
6.2 inches
Fin Area
25.99 square inches
Fin Set Configuration
Twin
Board Compatibility
Fish
Know before you buy
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Ask Metto anything about the Captain Fin Co. CF Keel before you decide.