Your question is too broad. There are many American manufacturers. Some specialize in BMX bikes, some mountain bikes and some road bikes.
harley Davidson
Kawasaki is a Japanese maufacturer with manufacturing/ assembly line plants in Lincoln, Nebraska and Maryville, Missouri. So, it's a Canadian/American assembled, Japanese bike for the North American continent market.
your nan
the fit co bike is the best
the best bike is a handicap bike
The best bike frame is the bike frame u truly believe in
The best ABD bike is the ABD 540 fluro orange bike.
there is no garmin bike. there is a bike gps tracker for a bike but not a bike made by garmin. the gps tracker is made by garmin it is called the Edge 305
form_title= Best Exercise Bike form_header= Find the best exercise bike for your needs. Do you want to purchase a recumbent bike? What is your budget for a new bike?*= _ [50] Are you training for anything specific?*= () Yes () No
There are so many personal preferences involved that it's impossible to give a solid answer to that. Might as well ask what's the best candy. As stated the best Time Trial Bike is a matter of opinion. Many high end road cycle makers produce specialist TT Bike Frames and every effort is made to make them as aerodynamic as possible currently the top rated TT Bike is made by Cervelo
There's too much personal preference for that question to be answered. An aluminium bike has the possibility to be lighter, but a steel bike can be stronger. Pick what's more important for you.
The best-selling American-made vehicle is the Ford F-150 pickup truck. If you don't count trucks, the best-selling American-made car is the Chevy Impala.