FCS vs Futures: Surfboard Fin Systems & Brands Explained | Fin Finder
Master the differences between FCS and Futures fin systems and discover which fin box type is best for your surfing needs
From Installation to Performance
Master the differences between FCS and Futures fin systems and discover which fin box type is best for your surfing needs
From Installation to Performance
Jump to any section to learn about specific fin systems and brands
Understanding fin box basics
How FCS works & compatibility
Futures design & advantages
Which system is better?
Glass-ons, US Box & more
Tips & compatibility guide
💬 Have specific questions? Our Expert Fin Finder chat is always available in the bottom right corner!
A fin box system is the mechanism that connects removable fins to your surfboard. Unlike traditional glass-on fins that are permanently attached, fin box systems allow you to change fins based on wave conditions, surfing style, or personal preference.
The fin system you choose affects not only convenience but also performance characteristics. Different systems provide varying levels of connection strength, flex patterns, and ease of installation. Understanding these differences helps you make informed decisions about your surfboard setup.
The world's most popular removable fin system
The original Fin Control System uses two plugs per fin with tabs that insert into the plugs. Fins are secured with grub screws using a fin key.
Note: Being phased out in favor of FCS II, but still widely compatible
The evolved FCS system features tool-less installation - simply push and click fins into place. Backward compatible with FCS I fins.
Advantage: No fin key required for installation or removal
FCS I fins work in FCS II boxes, but FCS II fins only work in FCS II boxes. Most modern boards come with FCS II systems.
The single-box system preferred by many pro surfers
Futures uses a single, longer fin box per fin with a solid base that runs the entire length of the fin. This creates a more direct connection between fin and board.
Futures fins slide into the box and are secured with a single screw using a hex key. The solid base provides maximum strength and energy transfer.
The single, elongated box distributes load across the entire fin base, creating a stronger connection that many surfers prefer for powerful waves and aggressive surfing.
Detailed comparison of strength, ease of use, feel, and fin availability
FCS Strength:
Two plugs distribute load but create potential failure points. FCS II improved significantly over FCS I.
Futures Strength:
Single box design provides superior strength and is less likely to fail under extreme conditions.
FCS Ease:
FCS II wins with tool-less installation. Perfect for travel and quick fin changes.
Futures Ease:
Requires hex key but installation is straightforward. More secure once installed.
Both systems have their merits. FCS II offers convenience and variety, while Futures provides strength and direct feel. Many surfers choose based on their primary surfing conditions and personal preferences.
Pro tip: Consider your local waves, travel frequency, and surfing style when choosing between systems.
Permanently attached fins that are glassed directly onto the board during construction. Still found on some traditional longboards and high-performance boards.
Best for: Traditional longboards, specific performance applications
Deep, single fin box system primarily used for longboard center fins. Allows for fin positioning adjustment and accommodates larger fins.
Simple single-tab system used on some budget and soft-top boards
Two-tab system without screws, common on beginner boards
Brand-specific systems like Red-X, LokBox, and others
Top surfboard fin brands and their system compatibility
The original fin system company offers the widest range of templates and materials for their own system.
Futures manufactures high-quality fins specifically designed for their single-box system with focus on performance.
Popular aftermarket brand making fins for both FCS and Futures systems with unique designs and collaborations.
Specializes in traditional and longboard fins, offering both modern and classic templates.
Australian brand known for innovative designs and high-performance fins for both systems.
Kinetik, Proctor, Rusty, and many shapers make quality fins for various systems.
Fin Key: Always carry a fin key for FCS I systems and emergency adjustments
Fin Screws: Keep spare screws as they can be lost or stripped over time
Our Fin Finder AI can filter recommendations by your specific fin box type, ensuring you only see compatible fins for your surfboard system.
Now that you understand fin systems, let our AI help you find compatible fins that match your board's fin boxes and your surfing style.
💬 Don't forget - you can also chat with our Expert Fin Finder anytime using the chat box in the bottom right corner!
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