If you are willing to pay the additional costs of the overhead, (& that includes wages and employee benefits like health care ),

Of manufacturing in the USA then there will be companies willing to make it..
But to increase the profitability and lower costs a US company jobs out the work to Asian companies, that offer a lower overhead cost..

As to your stem, to buy American, consider contacting a custom frame builder..
and have them fabricate something just for you..Welded together in aluminum steel or Ti.






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