I'd go for the white one for sure, but then I'm biased! I've never found the criterium geometry harsh on long rides, but I have an aluminum fork. That one's steel, so it might not be quite as forgiving. Still, if you're looking for a quick, fast upgrade, you can't go wrong with either one. But what's up with those bars?
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1989 Cannondale 3.0 Criterium (Built from frameset)
1989 Cannondale 3.0 SR900 (Full Campy)
1989/90 Cannondale 3.0 Road (frame only)
1989 Cannondale 3.0 Criterium (frame only)
1990 Cannondale 3.0 Criterium (frame only)
1986 Trek 400
1986 Raleigh Elkhorn (MTB)
1973 Raleigh Super Course
Lots of wheels and old parts, not enough time