The catalog scan w/ colorado II is on paceline forum:
http://forums.thepaceline.net/showthread.php?t=82634
Looks like dura ace was a stock option for complete bike.
edit: I see now there were several option levels.
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1989 Schwinn Paramount OS
1980 Mclean/Silk Hope Sport Touring
1983 Bianchi pista
1976 Fuji Feather track
1979 raleigh track
"I've consulted my sources and I'm pretty sure your derailleur does not exist"
Last edited by norskagent; 09-21-12 at 08:39 AM.