I would like to ride a bike as part of daily commute on roads someday, as I rode a bike to school in another country in the past. But I have been bothered by some uncomfortable points from the bikes that some or most people ride in US. I value safety (both transportation and health) more than speed, but I guess that my different biking experience may be "old-schooled" and have rendered me ignorant about the biking reality in US.
I have seen some people adjust their seats high. When I sit on their bikes, my feet can't touch the ground. The reason why I want to land my feet on the ground is that I want to ride a bike in city traffic, where I often need to stop and restart biking. I was wondering how I can stop safely and easily without landing one or ideally both of my feet on the ground while sitting on a high seat?
(In US, most roads don't have bike lanes, and many car and truck drivers are not used to driving past bikers, and may unleash road rages towards bikers who block or partially block their ways. Some suggest to ride in the same lanes as cars, so that bikers can be noticed more easily by automobile drivers, but I will probably still ride to the rightmost as if there were bike lanes on the roads, even though that can mean that there are more chances for irregularly-shaped small stones to damage the tires of bikes.)
Some bikes have very narrow and small seats. Aren't they together with their high positions putting greater pressure on the crotches than slightly wider and bigger seats?
Also some people bend their backs forward when riding bikes, just like in Olympic bicycle competitions. That together with their high seats puts their butts in more prominent positions than their backs straight-up or only slightly leaning forward. Isn't bending backs forward harmful for their backs?