Futures Fins QD2 3.75 Blackstix Quad Rears Fin Set

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Slap in the Futures QD2 Blackstix Quad Rear Fins to morph your tri into a quad and prepare for fun. The QD2 3.75 Blackstix is a small size quad rear set that favors boards with the rear boxes set closer to the rail, away from the stringer. With an 80/20 foil and an exquisite balance of hold and drive, the QD2 3.75 Blackstix rears provide an uncanny mix of response and control. Ride Number of 8.1.


Blackstix have a flexible Carbon Fiber tip that loads up and releases energy for generating speed when you need it. These are the lightest fins in the Futures line.

Tech Specs

  • Height: 3.76 in
  • Base: 3.71 in
  • Area: 10.73 sq in
  • Foil: 80/20


  • Size: Small
  • Fins in set: 2
  • Material: Blackstix
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