The Premis uses Columbus Tenax seamless chrome-moly double-butted main tubes, chrome-moly stays, and forged dropouts with adjusters.
The fork is Tange. chrome-moly blades, semi-sloping crown, forged dropouts with chrome faces.
Google / search function.
http://www.google.com/search?q=schwi...ient=firefox-a
http://www.bikeforums.net/showthread...ise...any-good