Complete Your Setup
Save 15% when you add a board
Pair this item with a surfboard or kite surfboard and save 15%. No code needed—discount applies automatically in your cart.
Product Information
Description
Adapter allows you to change from a traditional longboard fin to a FCS thruster set up in seconds.
Adapter allows you to change from a traditional longboard fin to a FCS thruster set up in seconds, perfect for loosening up your longboard. The adapter is adjustable for deeper longboard boxes.
Explore FCS
FCS designs high-performance surf hardware and accessories—from fins to traction—focused on enhancing control, speed, and connection between surfer and board across all conditions.
Shop All FCS
277 items ready to ship
