Originally Posted by staehpj1

I'm curious what it is about your bike that causes it to not fit. Is it a tandem, a recumbent, or something unconventional?

The Amtrak boxes are huge and many bikes don't even require lowering the saddle to fit. I only needed to turn the bars, rotate them down and remove the pedals. According to their web site the Amtrak boxes are 69 x 41 x 8.5 inches (175 x 104 x 22 centimeters).