If you go with a late 80's or early 90's Miyata 1000 it is 130mm spacing. Spreading it 5mm isn't a big deal. Cycle-Maven is correct about the early 80's 1000's being 126mm but by '88 and on they were 130mm. I've got a totally stock 89' and its 130mm, I promise.
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--Don't Panic.