FCS GX Glass Flex Side Fins

A 2+1 setup combines a larger center fin with two smaller side-bite fins. This configuration provides the stability and tracking of a longboard single fin while the side fins add extra hold, drive, and responsiveness during turns.

Yes, these are designed for the FCS II system. They also include grub screws and an infill kit, so you can securely install them even if you are using older original FCS plugs.

Glass Flex is a moulded composite that offers a forgiving, balanced flex pattern. It is designed to be less rigid than performance fiberglass, which helps newer surfers maintain speed through turns and makes the board feel more predictable and easier to control.

While they are primarily engineered to enhance 2+1 longboard setups, they are versatile enough to be used on any board that utilizes a side-bite configuration. They are a great choice if you are looking to add stability and control to your ride regardless of the board shape.

Absolutely. The flex pattern is specifically engineered to assist with progression, offering a reliable and responsive feel that helps simplify the learning process as you develop your maneuverability.