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Bob Gnarly Surf£39.99Visit shop Surfboard Fins Thruster Set (3 Fin) Honeycomb - Fcs & Fcs Ll Compatible M5 Spec Blue Size 3
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The Circle One Surf Thruster Fin Set is designed for intermediate to advanced surfers seeking a reliable, versatile setup for a wide range of wave conditions. Utilizing a classic M5 template, these honeycomb fins offer an excellent balance of speed, drive, and maneuverability, making them a staple for daily surf sessions. While these fins provide high-level performance and compatibility with major fin systems, users should note that they require grub screws when installed in FCS II boxes, as they do not feature the tool-less click-in mechanism.
| Model Part Number | FSETH03/G |
|---|---|
| Brand | Circle One Surf |
No, these fins are designed specifically for FCS I and FCS II systems and will not fit into Futures fin boxes.
Yes, because these fins require grub screws, you will need a standard FCS-compatible fin key to tighten them into your board.
The honeycomb hexagonal core removes unnecessary weight from the fin, allowing for a lighter board setup that feels more responsive and lively in the water.
The M5 template is very predictable and stable, making it an excellent choice for intermediate surfers or beginners moving toward their first high-performance thruster setup.
This is a thruster set, which includes three fins total: two side fins and one center fin.
Ensure that the grub screws are fully tightened. Since these are not click-in fins, the screw is the primary mechanism holding them in place.
Check the box for sand or debris. Use a small brush to clean the cavity and ensure the tab can slide in fully before tightening the screw.
Installation of the Circle One Surf Thruster set is straightforward. If you are using FCS I boxes, simply insert the tabs into the box and secure them with the provided grub screws. For FCS II boxes, follow the same procedure by using the grub screws to lock the fins firmly into place, as these fins do not have the proprietary 'click' mechanism.
Care Instructions:
