IIRC correctly Centurian roadbikes became Diamond Back (Aveneir?) in the very early '90s depending on the kit, 105, rx100, RSX, it may have DT shifters until I think the mid '90s. but depending on the price it certainly deserves a look.
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“One morning you wake up, the girl is gone, the bikes are gone, all that's left behind is a pair of old tires and a tube of tubular glue, all squeezed out"
Sugar "Kane" Kowalczyk