Lib Tech Tri Fin Set
Best durable upgrade for surfers using compatible board systems.
These fins are built for surfers who prioritize aggressive, high-speed maneuvers over casual cruising. While the proprietary box system locks you into a specific setup, the trade-off is a remarkably secure, responsive ride that maintains momentum through even the tightest vertical turns.
$74.99
at
Lib Tech (official)
Who it's for
- Surfers who frequently ride over shallow reefs or rocky breaks
- Everyday surfers looking for a dependable all-around fin setup
- Travelers wanting fast transitions between different surf sessions
Who should skip it
- Surfers owning boards with standard FCS or Futures fin boxes
- Advanced riders seeking maximum energy return through their turns
- Technical enthusiasts looking for highly specialized or experimental fin templates
Performance breakdown
Speed Generation
Engineered to maintain momentum and accelerate through flat sections effortlessly.
Turning Responsiveness
Provides the snappy, immediate feedback needed for aggressive, vertical maneuvers.
Drive and Hold
Offers reliable stability and projection when pushing hard through bottom turns.
Installation Ease
The proprietary system and included key make swaps quick and intuitive.
Construction Durability
Built to withstand high-impact surfing without sacrificing flex or performance.
System Compatibility
Limited to specific fin boxes, requiring careful matching with your board.
Key Specs
Fin System
FCS II
Fin Depth
4.58 inches
Fin Base Length
4.44 inches
Number of Fins
3
Fin Configuration
Thruster (3-Fin)
Performance Focus
Speed and Drive
Removable Fins
Yes
Included Items
Fin key
Know before you buy
Still have a question?
Ask Metto anything about the Lib Tech Tri Fin Set before you decide.
