Available in Fluro Yellow

while the smaller centre fin on the medium and large template offer quick release through turns

and then springs back

Flat is preferred for race boards

SURFCO PROTECH POWERFLEX FUTURES 4.5" X3.75" QUAD SET fcs board bags Available in Fluro YellowPower Flex is a Pro Teck Fin with a medium core flex. The fin bends on turns, and then springs back, creating forward thrust similar to a swim fin. The medium flex core and flexible trailing edge makes the board turn smooth and fluid, with continuous speed. This quad set includes two (2) 4. 50" side fins and two (2) 4" trailer fins. Power Flex Fins are recommended for intermediate to professional surfers. Available in Futures or FCS fin systems.