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25” single fin is ideal for eggs
Combing a vector foil with a blended entry edge this fin set up allows quick direction changes including the mid face turns that are necessary in short bowly conditions
in more powerful conditions
Great overall fin for single fin longboards
Foil 50/50
Build Your Own Grennan (Futures Base) - Apex Trailer:Small 25” single fin is idealBuild your own Thruster Quad 5 Fin Grennan fins. Jeff Grennan has been working on the design of his templates for years. Over the last year we've been working with him to add a high performance foil in order to increase the flow and speed of his fins. Jeff's idea was to pair a narrow base in order to decrease drag while adding lots or rake in order to retain control down the line and through turns. And boy was he right; his template has become a
