Originally Posted by
Cougrrcj
The Miyata 1000LT was not offered in 58cm (color and decals match 1989, so I'm educated-guessing on the year). It was offered in 50, 54, 57, 60 and 63cm
Miyata Bicycle Catalogs: Miyata Catalog 1989
It came with a 3 x 7 or 21-speed drivetrain as standard.
But that same page said 18 speeds, hence the confusion. I am guessing it was a typo.