The legendary Al Merrick fin template by Channel Islands Surfboards.

4.50″ (medium) fin size, designed with riders 165lbs and under in mind.
Five fin set, designed to be ridden as a thruster or quad fin set-up.

 
RTM – Tech 1
The Tech 1 honeycomb hexagonal core combined with teh Al Merrick template offers a medium flex pattern, making this fin a versatile option for a wide range of surfing abilities.  Tech 1 is designed to perform in a variety of conditions and has a wide base for drive off of the bottom, more rake for big carves, and a finer tip for release off of the top.  The signature CI smaller center fin frees up the tail.  Futures ride # of 4.6, a balance between spring and control.
Material:
Polyester resin and fiberglass construction.  Unique core reduces resin content and weight. Proprietary fiberglass weave and orientation is designed for maximum response and performance.  Versatile high performance option.
SIDE FINS:

Depth: 4.52″
Base:  4.50″
Area:  14.99″ ^2
Foil:   Flat
CENTER FIN:
Depth:  4.36″
Base:   4.49″
Area:   14.63″ ^2
Foil:     50/50


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