hi rob
my 02 cents
the rio looks like a pretty good progression board...nice choice
most sails are designed around a particular mast,
just make sure you get the mast that is recommended by the sail
manufacturer,
who often provide their own branded masts.
as for carbon content, 75% is good if you can afford it, 50% minimum
if you have to
if you can afford carbon booms, then get one because they are better
than aluminium.
if you can't, then get a good quality aluminium, making sure the boom
extends for at leat 4-6" longer than the sail needs.
if you see something you like, tell us what it is and you should get
pretty sound advice
good luck
rod


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