The FCS Longboard Box Adapter allows you to use Thruster fins with your long board to help loosen up your ride. The attachment is adjustable to compensate for varying depths of boxes.

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Product Review

The FCS Longboard Box Adapter allows you to use Thruster fins with your long board to help loosen up your ride. The attachment is adjustable to compensate for varying depths of boxes.

  • Designed in collaboration with the world's leading surf athletes and surfboard shapers, the FCS range offers a diverse range of surfboard accesories suited to a variety of board models, wave conditions and surfing styles. FCS fins are the preferred choice by the world’s best surfers and shapers.

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