FCS Fin Size Chart | Fin Size |
Under 120lbs | XS |
140 - 155lbs | M |
165 - 200lbs | L |
190lbs+ | XL |
Futures Fin Size Chart | Fin Size |
75 - 115lbs | XS |
105 - 155lbs | S |
145 - 195lbs | M |
180lbs+ | L |
Longboard Fin Size Chart | |
Board Size | Fin Size |
6' - 6'11" | 6" +/- |
7' - 7'11" | 7" +/- |
8' - 8'11" | 8" +/- |
9' & up | 9" +/- |
$80.00
The QD2 4.15 Blackstix is a large size quad rear with a Ride Number of 8.1. *Includes only 2 rear fins. The QD2 4.15 Blackstix is a large size 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.
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