Originally Posted by
le mans
on my bike it says ;- cannondale advanced CAAD3 aluminum design
no idea what the '3' stands for?
The '3' is just which iteration of the CAADs the frame is. The first was CAAD, then CAAD2 (which had more radically shaped tubes), then CAAD3 (further tube refinements), CAAD4... etc... I think they are at CAAD10 now.