Mountain bikes built in the USA: steel hardtails, aluminum full-suspension trail and downhill bikes, and fat bikes from American frame shops.
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American companies that build mountain bikes as their main line: aluminum full-suspension trail, downhill and electric mountain bikes from Southern California, steel hardtails made for East Coast trails, and fat bikes and hunting bikes from Wisconsin.
Many more mountain bikes are built one at a time by the custom frame builders, including 29ers, fat bikes and full-suspension frames, and by the titanium brands.
Kris Henry builds steel mountain bikes, including the Marauder hardtail, a full-suspension model and fat bikes, along with the Huntsman road frame, all aimed at East Coast trail riding.
Made in: Lyndeborough, NH (frames built and parts machined in his own shop).
Source: The Radavist, checked 10/2026
Lyndeborough, NH
Aluminum full-suspension trail and downhill mountain bikes, fat bikes the Mixer and the E-Ticket electric mountain bike, sold as frames or complete bikes direct from the factory.
Made in: San Dimas, CA (aluminum frames handmade in Southern California since 1992).
Source: Vital MTB press release, 2019, checked 10/2026
San Dimas, CA
Fat bikes, hunting and adventure bikes, mountain bikes and single-speed commuters, sold as complete bikes direct to riders.
Made in: Bangor, WI (frames welded from American-made aluminum; final alignment and assembly). Components such as suspension, chains, gears and brakes are bought from overseas suppliers.
Source: Janesville Gazette, 2025, checked 10/2026
Bangor, WIIf a company makes its products in the USA and is not listed, send us its website.
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A company may be based in the USA while making some products elsewhere. Check the manufacturer's own site for where a specific product is made.