Aha, a clue from here:
http://stlbiking.com/forum/lofiversi...php?t1701.html
It is interesting that the initials of your current store are the same as those of the late, lamented, gloriously-named, Ashtabula Bow Socket Company, which made one-piece cranks for many years (as well as those famous forks for Schwinn). It stamped everything "ABS".