FCS
Replacement Glass Flex Fins
- Box:FCS Original (OG)
- Size:Medium
- Construction:Hand-laid fiberglass
$34
Typical lead time: 5–12 days.
FCS Original (OG) base.
Older two-tab FCS base. Fits original FCS boxes natively, and FCS II boxes with the FCS Infill Kit (sold separately).
Not sure what your board has? Read the fin-box guide.
Need the Infill Kit?
This fin uses the FCS Original (OG) base. If your board has FCS II boxes, you'll need the FCS Infill Kit to seat the fin properly. We sell it.
Add Infill Kit to my order →Native Lundquist checkout is coming soon. For now, this links to FCS directly.
About this fin
Replacement fins for M3, M5, M7 Glass Flex sets. Performance Overview Replacement fins for M3 (Small), M5 (Medium), M7 (Large) Glass Flex sets. How to identify your missing fin Turn your board upside down, and stand at the tail. Diagram below:
Need help picking a fin? Read the fin guide or message Blake.