I agree with brian, that gussett on the DT says DiamondBack or maybe Haro? judging from the wheelbase and the components it is a late '80s very early '90s
how do you stow that tall kickstand?
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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