Build Your Own Grennan (Futures Base) - Apex Trailer:Small 25” single fin is ideal

25” single fin is ideal for eggs

We’re offering the Peregrine fronts with our JL trailers

81 sq inchRake: 35

60"Height: 3

in more powerful conditions

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