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Old 22nd May 2010, 10:45 PM   #1
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Join Date: Dec 2009
Posts: 2
Default Error on starboard site isonic 131?

Are the recommended fin sizes for the Isonic 131 correct?

I just bought an Isonic 133. I am trying to figure out what fins to use with
my 7.8, 9.1 and 9.9 sails. I have 46, 48 and 50 fins. I am 240 pounds. I assume the recommended fins for the 131 would be similar to the older 133. Is that a correct assumption?
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