Futures Alpha Series Quad Rear Side Bites
Best performance upgrade for surfers seeking enhanced board stability and control.
These quad rear fins utilize advanced carbon and air-infusion technology to deliver a lightweight, responsive feel. They provide the stability and control needed for smooth transitions, making them a versatile upgrade for a wide range of wave conditions.
$38.00
at
101 Surf Sports
More Alpha options
Who it's for
- Environmentally conscious surfers seeking high-performance sustainable gear
- Longboarders wanting more control and drive in powerful waves
- Frequent surfers who need reliable fins that withstand heavy use
Who should skip it
- Surfers owning boards equipped with FCS or other proprietary boxes
- Beginners who prefer a more forgiving and flexible fin feel
- Shortboarders looking for a standard three-fin thruster configuration
Performance breakdown
Turn responsiveness
The flex pattern snaps back quickly for snappy, precise rail transitions.
Weight-to-strength ratio
Air-infused composite keeps the setup incredibly light without sacrificing structural integrity.
Stability control
Provides a locked-in feel that keeps the tail planted during carves.
Wave versatility
Performs reliably across everything from mushy beach breaks to critical faces.
Installation ease
Standard Futures box compatibility makes swapping setups quick and hassle-free.
Hydrodynamic efficiency
Clean foil design minimizes drag for maintaining speed through flat sections.
Key Specs
Height
4 inches
Material
Carbon and air-infused composite
Flex
Responsive
Compatibility
Futures fin boxes
Fin Type
Quad rear
Know before you buy
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