What makes FCS II fins different from the original FCS twin tab system?

FCS II fins feature a tool-less, click-in installation system that eliminates the need for screws or tools. This upgrade provides quicker fin changes, a stronger connection to the board, and improved performance compared to the original FCS twin tab system, which required grub screws and tools.

Are FCS II fins compatible with older FCS fin boxes?

Yes, FCS II fins can be used in original FCS twin tab boxes with the help of an FCS II compatibility adapter. However, traditional FCS twin tab fins will not fit in FCS II boxes unless they have a removable tab system.

What are the main benefits of using the FCS II system?

The FCS II system offers tool-free fin installation, quicker fin swaps, a secure and deeper fin connection for better performance, and a wide selection of fin templates and materials to suit different surfing styles and conditions.

Can I change FCS II fins while at the beach or in the water?

Yes, FCS II fins are designed for quick, tool-less changes, making it easy to swap fins at the beach or even while in the water. This is ideal for surfers who want to adjust their setup quickly between sessions or locations.

Which FCS II fin templates are available at Bob Gnarly Surf?

At Bob Gnarly Surf, you can find a wide range of FCS II fin templates such as Carver, Performer, and Accelerator, along with various constructions including carbon fiber, fiberglass, and hybrid options, allowing you to customize your board's performance to match your surfing needs.

What makes FCS II fins different from the original FCS twin tab fins?

FCS II fins use a single tab tool-less system that allows you to easily install and remove fins without any screws or tools. This upgrade improves connection, load transfer, and overall performance, making fin changes quick and convenient.

Are FCS II fins compatible with older FCS fin boxes?

FCS II fins are primarily designed for FCS II fin boxes, but you can use them in original FCS twin tab plugs by using a special adapter kit. Traditional FCS fins cannot be used in FCS II boxes unless they have a removable tab system.

Why should I choose FCS II fins for my surfboard?

FCS II fins offer tool-free installation, enhanced durability, and a stronger, more responsive connection to your board. They are ideal for surfers who want to easily swap fins, test different setups, and enjoy optimized performance in any conditions.

What types of FCS II fins are available and how do I select the right template?

FCS II fins come in a wide range of templates such as Carver, Performer, and Accelerator, each designed for specific surf styles and conditions. They are also available in different materials like carbon fiber, fiberglass, and hybrid constructions to suit your preference for flexibility, stiffness, and control.

Do FCS II fin boxes offer increased durability and performance?

Yes, FCS II fin boxes are molded directly into the surfboard, improving water sealing and resistance to cracking under pressure. The deeper fin fit and reinforced base structure provide stronger load transfer and a more secure, high-performance experience.

Collection: FCS I

FCS Fins: The Future of Surfboard Fin Systems

The Fin Control System (FCS Fins) has long been a leader in surfboard fin technology. Surfers around the world trust FCS for reliable performance and easy-to-use hardware. The original twin tab system changed how surfers attached and removed fins. But the new FCS II system takes things... Read More

FCS Fins: The Future of Surfboard Fin Systems

The original FCS system, introduced in the 1990s, used two tabs on each fin. These tabs fit into two plugs installed in the board. Surfers secured the fins using grub screws. This system was a huge step forward at the time. It allowed for quick fin swaps, easy travel, and better performance tuning. But it had its limitations. Tools were always required. Screws could strip or rust. And tabs could sometimes break under pressure.

FCS II addressed these issues with a complete redesign. The new system uses a single tab that slides and locks into the fin box. No screws. No tools. Just push the fin in until it clicks. To remove, pull the fin out with a firm tug. It’s that simple. This tool-less approach is perfect for surfers on the go. Whether you're at the beach or traveling, fin changes take seconds.

Another key difference is strength. FCS II fins sit deeper in the fin box, improving connection and load transfer. This makes the system feel more solid under your feet. There's less flex at the base, which improves drive and responsiveness. The result is a smoother, faster, and more controlled ride. FCS II also reduces the risk of fin movement in powerful surf.

Compatibility is also important. While FCS II fins work best with FCS II boards, they can still fit into original FCS twin tab plugs using a special adapter. However, traditional FCS do not fit in FCS II boxes unless they have a removable tab system. If you’re upgrading to a new board, check which system it uses. Many modern surfboards now come with FCS II fin boxes as standard.

FCS has also expanded its range of fins with the new system. FCS II fins come in a wide variety of templates, constructions, and materials. Whether you prefer carbon fiber for stiffness, fiberglass for flex, or a hybrid construction, there’s a fin for you. Popular templates like the Carver, Performer, and Accelerator are now available in FCS II fittings. These designs suit different surf styles and conditions, giving you more control over your setup.

One of the biggest wins with FCS II is its speed and convenience. If you’re testing new fin setups or surfing multiple spots in a day, quick changes make a big difference. You can even swap fins in the water if needed. The system is especially helpful for surf schools and rental fleets. Instructors can change fins quickly between students or setups without needing tools or special equipment.

FCS also designed the II system with durability in mind. The reinforced base structure resists cracking and pressure from big waves. FCS II boxes are molded directly into the board during manufacturing, improving strength and water sealing. Surfers can rely on the system in everything from small summer waves to heavy reef breaks.

Despite the improvements, FCS II maintains the same philosophy as the original: give surfers control and flexibility. You can fine-tune your board with different fin shapes, sizes, and materials. The tool-less design just makes it easier and faster to do. And for surfers loyal to their twin tab fins, FCS still supports them with adapter kits and dual plug boxes.

In summary, FCS II is a major upgrade from the original twin tab fitting. It offers tool-free installation, stronger performance, and broader design options. The system keeps what surfers loved about FCS and makes it even better. Whether you’re a pro or weekend warrior, switching to FCS II can unlock a better surf experience. Visit our store to explore the full FCS II fin range today.