All Round Longboard Fin
Although not technically a longboard “classification,” all-around longboards are exactly what they sound like—longboards that are built to do a bit of everything. They are usually a bit lighter than traditional logs and have sharper “down” rails in the tail, which makes them more maneuverable. They have a bit more rocker in the nose as well, allowing them to be surfed in slightly larger, hollower waves.
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But at the same time, they can still support noserides. An all-around longboard like this needs all-around fins, and that is typically accomplished with a 2+1 setup. A 2+1 involves a single-fin box in the center and side boxes for smaller, modern side fins (sometimes called “sidebites”).
The center fin provides some stability when on the nose (albeit typically less than on a dedicated noserider, as center fins on all-around boards tend to be a bit shorter, in the 8- to the 9-inch range), while the side fins provide drive and speed, as well as more control during aggressive turns off the bottom and vertical snaps off the top. Most beginner and “modern” longboards will feature this type of fin configuration.