FCS II H4 Thruster Fin
Best high performance upgrade for experienced surfers seeking maximum control.
These fins prioritize raw speed and aggressive drive through a unique, precision-engineered carbon construction. They offer a stiff, highly responsive feel that excels in critical conditions, making them a top choice for surfers who demand absolute control during high-speed rail-to-rail transitions.
$100.00
at
JS Industries USA
More H4 options
Who it's for
- Performance-focused surfers looking to maximize speed in various wave conditions
- Advanced riders seeking a balance of stability and maneuverability
- Surfers who frequently swap setups or travel with multiple boards
Who should skip it
- Budget-conscious surfers who prioritize value over marginal performance gains
- Owners of surfboards equipped with non-FCS II fin box systems
- Traditionalists who prefer the organic flex and sweep of classic fins
Performance breakdown
Acceleration
The unique lower template delivers instant, explosive speed off the bottom.
Control at Speed
Hatchet-like tips lock in during high-velocity carves without feeling twitchy.
Release Predictability
The raked center fin ensures clean, reliable exits from aggressive turns.
Material Stiffness
High-density carbon fiber maximizes energy transfer for a rigid, responsive feel.
Spin-out Resistance
Dynamic trailing edges flex under load to maintain grip in critical sections.
Wave Versatility
Specialized design excels in overhead conditions but feels stiff in mushy surf.
Key Specs
Fin System
FCS II
Configuration
Thruster
Material
High-density uni-directional carbon fiber
Flex
Stiff
Foil
Asymmetrical
Max Rider Weight
200 lbs
Compatibility
Performance shortboards
Ideal Conditions
Critical overhead waves
Origin
Switzerland
Know before you buy
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Ask Metto anything about the FCS II H4 Thruster Fin before you decide.
