Bing Alpha Mini 6'8 Surfboard6'8" After many successful years offering the midrange Alpha Pin single fin version, we re worked the model by thinning it out, reducing the vee and adding a bit of double concave. We found that it worked amazing with a quad fin set up. Adding these performance elements lent to this design working exceptional at shorter lengths. At 610" we found a great balance between midrange padding and wave catching with a high performance turn. We then went down