So just skimming the local CL pages, and came across a Miyata Touring bike 1000 T. Right size, but I really don't need another bike right now (contract ended). Miyata 1000LT, 58cm, Touring

But something got me curious. I went to the Miyata catalogue in the ad and tried to see what equipment was on it. It states a seven speed hub but that the bike has 18 speeds. Was that just a typo? Or did they limit the RD to 6 out of 7 sprockets? If my fuzzy brain remembers properly, 7 speed derailleurs were standard in 1989.