FCS II MB Keel Fin
Best high performance upgrade for twin fin surfboard enthusiasts.
Designed to restore your quad setup without needing to buy a full set. These replacement fins offer the same stiff, high-drive performance as the original equipment, ensuring your board maintains its speed and responsiveness.
$75.00
at
Surffcs
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FCS II Thruster
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FCS II Matt Biolos Fins
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FCS II Matt Biolos Fins
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FCS II Matt Biolos Fin Set
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FCS II Matt Biolos Split Keel Quad Fins
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FCS Lost MB Split Keel Quad
$196.00
FCS II Matt Biolos Fin
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FCS II Thruster
$125.00
FCS II Mat Biolos PC Carbon Fin
$124.95
FCS II Lost MB Surfboard Fins
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FCS II MB
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FCS II Matt Biolos PC Carbon Fin
$170.00
FCS II Matt Biolos Tri-Fin
$170.00
FCS II Matt Biolos Fin
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FCS II MB Split Keel Quad
$189.99
FCS II MB Keel Fin
$75.00
Who it's for
- Power surfers seeking maximum speed and stability in small waves
- Travelers and surfers who frequently swap fins between sessions
- Fish enthusiasts wanting a blend of traditional glide and modern turns
Who should skip it
- Lightweight surfers who prioritize quick, snappy directional changes
- Surfers owning older boards or alternative fin box systems
- Big wave riders needing less surface area for high-speed control
Performance breakdown
Drive and acceleration
Performance glass construction delivers exceptional speed and projection through turns.
Installation ease
The tool-less FCS II system makes mid-session swaps incredibly fast.
Structural rigidity
Stiff material profile ensures minimal flex during high-speed maneuvers.
Compatibility precision
Engineered specifically to match the original Matt Biolos keel geometry.
Durability
High-quality glass layup withstands the rigors of daily surf sessions.
Hold and stability
Keel shape provides reliable tracking and control on fish-style boards.
Key Specs
Fin System
FCS II
Material
Performance Glass
Fin Type
Keel
Compatibility
FCS II Matt Biolos PG Split Keel Quad sets
Removable Fins
Yes
Flex
Stiff
Number of Fins
1
Know before you buy
Still have a question?
Ask Metto anything about the FCS II MB Keel Fin before you decide.
