I worked all summer to get a new 10 speed. Finally it was good-bye Huffy stingray and hello big boy bike! I can remember when I was looking them over I was told by the shops owner to get one that was just below my crotch while standing flat footed over it. He did all the adjustment for me and off I went giggling all the way home. Looking at old cycling photographs of the era the, frames seemed bigger and saddles were a lot closer to the top tubes. Seat post were only a few inches between the saddle and tube. Now when we see modern road bikes there's a lot more seat post exposed and the frames are smaller. Am I right? Did some racer figure out years ago that a smaller frame = less weight? And the idea took?