>>1096968It's aluminium, the 3.0 series frame.
http://vintagecannondale.com/year/1991/1991.pdf>>1096970Thanks anon. The previous owner had some unfortunate health issues which prevented him from using it much. My LBS guys were very impressed with it.
Sadly the paint is very fragile, it had one chip when I got it and has gained a few more from I-don't-know-what. Does anyone have tips for paint touchups on old frames? The sickfadez gradient makes it harder too.