[quote=Wolfman]Yes, the mast and general specs for the 570 and 5.7 are essentially the same. The difference is that the 570 sail is likely a fat top vs a pin head. What does this mean? More power and likely better light air performance. The downside is that its a little more difficult to depower and the main is optimized for a blade jib. So even more power with a full size jib. Its generally viewed as an upgrade, and if it were me i'd go for it. However if you are just learning you may want to think twice.
In other words it will fit.[/quote]
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