F4 Blackstix Tri Fins (Neutral) no image The bottom has a deep

The bottom has a deep double concave running through to vee off the tail which makes the board get up on top of the water in even slower

Smallest being a 7'0 x 20 1/2 x 2 5/8 at 40

The Freedom Helix creates the perfect blend of weightlessness

Lost MicksTape-SYM – High-Performance Small Wave Shortboard

F4 Blackstix Tri Fins (Neutral) no image The bottom has a deepFutures Blackstix fins feature a V2 inside foil that generates and maintains speed throughout turns. The precision carbon and fiberglass matrix construction paired with specialized epoxy resin provides a very lightweight fin with incredible response, making your board feel livelier. Template Category Neutral (balanced fluid) Construction Blackstix Ride Number Speed Generating 8. 5 Size Small (48 70kgs)