View Full Version : fin for Sonic 125, year 2005

7th September 2007, 04:12 PM
I have bought a Sonic 125, year 2005, without fin.
My weight is 70 Kgs, the sail is 8.4 freerace no cams.
I start sailing from 10 to 15 knots, I like go fast and upwind.
Witch type and size of fin?
thanks in advance.
Magnans ISW401