Starboard Arma Core M4.5 Bio Resin side fins are designed for stand-up paddleboards equipped with FCS fin boxes. They are built using low-density end-grain arma core combined with bio-resin, molded in polyester or injected plastic.
- Product type: SUP fins
- Mounting system: FCS
- Core material: Low-density end-grain arma
- Resin: Bio-resin
- Package contents: Pair (locking key not included)









