Originally Posted by
fr333zin
I don't remember the 80s, (some days I can't remember my name) but yes my old Cannondale M600 does have a 68mm BB. So when did 73mm start?
After the early '90's is all I know. I had a '92 or '93 (I bought it NOS so I'm not certain of the model year) Trek 7000 aluminum frame MTB and it also had a 68 mm bb shell.