Originally Posted by Pompiere

That isn't completely accurate. My 1984 310 is a 12 speed but Miyata didn't change to the 312 until 1987. They also made a 100, Triton, Nimbus, and Victor that were below the 112. They were in the "Sports" catagory.

Is this the bike?: http://4.bp.blogspot.com/_whtVpXkKwl...0-h/img137.jpg