FDX1 Tri-Quad Fins early Some mild spider cracks under

Some mild spider cracks under the glass on the deck

mild deck pressures - mostly at the tail of the board from normal use

The STING is followed by a gradual tail curve

pivot-style template with flat front and rear foils

FDX1 Tri-Quad Fins early Some mild spider cracks underFDX1 Tri Quad Fin Set 5 Fins The FDX1 Tri Quad is a five fin set that covers two complete configurations in a single package. Run it as a quad using the four side fins, or as a thruster using the center fin and the two front side fins. Both setups use the same FDX1 template: a neutral, balanced geometry designed by Flying Diamonds to serve as a performance baseline across your quiver. Key Features Five fin set one purchase covers both a full thruster