The QD2 3.75 Blackstix is a small size, speed generating quad rear with a Ride Number of 8.1.
Looking to turn your favorite Thruster set into a Quad? This pair of Quad Rears can be combined with any Futures front fins to suit your riding preference, board design and waves. With an 80/20 foil, these rears are a mix of response and control. They will favor boards that have the rear boxes set closer to the rail, away from the stringer.
| Area | 10.73 |
| Height | 3.76 |
| Base | 3.71 |
| Foil | 80/20 |