Originally Posted by Naturel

Thank you Remi, I'll have my ultrasonic carbon 2011 Next wek

For instance i have a severne overdrive 8,5 2011, do you think the 58 cm fin Will be not too big ?
I have also an old Select team zéro 54 cm.....
In 2012 I Will also take a 7.5m overdrive and a 9,7m 2012 ( if my 490cm severne mast fit the sail)
Which fin size for those sails.

Thank you again