Joined: Apr 2005
Posts: 1,152
Likes: 5
From: Minneapolis, MN, USA
Bikes: 1990 Burley Bossa Nova, 1992 Paramount PDG-70, 1993 Specialized Stumpjumper, 2005 Jamis Dakar XC Pro, 2007 Rivendell Bleriot
The eBay listing says the frame is aluminum, but i'm pretty sure a low end diamondback frame from 1993 is going to be steel, probably some cheap straight gauge cro-mo.
Judging by the crank, that's a VERY low end bike. I wouldn't pay more than $50 for it.