American custom frame builders are mostly one- and two-person shops that measure the rider, design the frame around that rider, and build it by hand. Many also make matching forks, stems and racks, several paint their own frames, and a few teach framebuilding classes.
Builders who work mainly in one material have their own pages: steel, titanium and carbon fiber. The builders listed on this page work in more than one material, such as steel and titanium, carbon mixed with steel or titanium, or aluminum and scandium, or build each frame in whatever material suits the rider. Builders known for one kind of bike, such as touring, tandem or cargo bikes, are listed under that type.
Browse by type
Carbon fiber bike frames built in the USA, custom-made to fit or molded in-house, from shops in Oregon, California, Texas and Tennessee.
Custom steel and stainless steel bicycle frames, lugged, fillet-brazed or TIG-welded by hand in small American workshops.
Titanium bike frames and complete bikes built in the USA, from Colorado's Boulder and Steamboat Springs shops to Massachusetts and Tennessee.
Companies that make several types
Chris Herting builds custom road and mountain bike frames to each rider's fit, in Easton scandium with bonded carbon stays or Columbus Life steel, and does his own powder coating.
Made in: Durango, CO (frames built in his home shop outside town since 1992).
Source: Road Bike Action, checked 10/2026
Durango, CO
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Custom bicycles built by Joseph Ahearne, including commuters and touring bikes (some with Pinion belt drive and modular racks), cycle trucks and fat-tire bikes, each made to order.
Made in: Portland, OR (custom frames and racks); in 2024 the workshop was moving from Portland to the Oregon coast.
Source: The Radavist, MADE 2024, checked 10/2026
Portland, OR
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Custom bicycle frames by Erik Rolf, who trained under Carl Strong: road, gravel, cyclocross and mountain bikes in titanium and steel, built to each rider's measurements and riding style.
Made in: Hailey, ID (custom frames, built in his own shop; the business started in nearby Ketchum).
Source: Cyclocross Magazine, checked 10/2026
Hailey, ID
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Custom bicycle frames and forks (road and mountain), plus motorcycle frames, frame and fork jigs, powder coating and frame-building classes, from Steve Garn's machine and fabrication shop. Motorcycle projects include bobbers and land speed racers.
Made in: Creston, NC (frames, jigs and fabrication done in-house).
Source: BREW: About, checked 10/2026
Creston, NC
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Custom bicycles designed and built by Gregory Crichlow, a former architect. The studio also does repairs and sells bean-to-bar chocolate. The bikes are meant as everyday transport.
Made in: Denver, CO (frames designed and fabricated at his Five Points studio).
Source: Coloradan, checked 10/2026
Denver, CO
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Custom road frames, best known in titanium, from the Seattle shop Bill Davidson has run since 1973. Davidson sold the business to Christopher Wahl, whose Mischief Handbuilt Bicycles carries on its titanium frame building.
Made in: Seattle, WA (frames built in the Fremont shop).
Source: Gravel Cyclist on Mischief, checked 10/2026
Seattle, WA
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Ken Beach has built custom bicycle frames by hand since 1983: mountain, road and tandem frames, often fillet-brazed, along with paint, repairs, frames for other brands and custom metal parts such as Suzuki Samurai components.
Made in: Colorado, in Beach's one-person shop in Parker, CO; he moved the business from Santa Barbara, CA in 1993. He does all fabrication himself.
Source: Gecko Cycles about page, checked 10/2026
Parker, CO
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Rody Walter builds custom steel, titanium and aluminum road, mountain and tandem bikes, along with Groovy parts: Hot Rod cranks, titanium forks, bar-stem combos, Disco Stick seatposts and Luv Handles titanium bars.
Made in: Wooster, OH (design, machining, welding, finishing and assembly all done in-house). Most custom parts come only with a full bike order; Luv Handles bars are sold separately.
Source: Groovy Cycleworks, checked 10/2026
Wooster, OH
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Custom road, gravel and all-road bikes with titanium, carbon (HC and HC Signature) or mixed-material frames, built by Bill Holland, who has made frames since the 1970s-80s.
Made in: San Diego, CA (frames made in-house; titanium tubing from US mills; a 2013 report placed production in nearby Alpine).
Source: East County Californian, checked 10/2026
San Diego, CA
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Custom road, touring and cyclocross bicycles built one at a time in steel, carbon or a mix of the two, with an in-house paint shop that also refinishes frames for other brands. Since 1991.
Made in: Shirley, MA (frames built and painted at the Phoenix Park shop).
Source: Worcester Business Journal, checked 10/2026
Shirley, MA
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Custom steel and titanium frames for road, gravel, cyclocross and mountain riding, including the Crown Jewel, Club Racer, SSR, Gravel Royale, Planet X and Deluxe models. Since 1995.
Made in: Lynn, MA (frames built at the company's shop, which moved back to Massachusetts from Newmarket, NH after a 2022 ownership change).
Source: Wikipedia, checked 10/2026
Lynn, MA
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Curtis Inglis builds custom frames under two names: Retrotec, with bent, swooping tubes and modern geometry, and Inglis Cycles, with straight tubes. Builds include mountain bikes such as the Funduro, gravel, road and e-bikes.
Made in: Napa, CA (frames built and tubes bent by hand in his shop, there since 1998).
Source: GearJunkie, checked 10/2026
Napa, CA
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LaBerta & Sons Cycles is a small bike shop in the Soulard neighborhood of St. Louis that services bikes and builds custom bicycle frames to order.
Made in: St. Louis, MO (custom frames built in the shop).
Source: Trailnet local shop list, checked 10/2026
St. Louis, MO
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Custom bicycle frames built one at a time to the owner's measurements, plus the Rat Snake, an all-terrain bike for loaded bikepacking that sits between a mountain bike and a gravel bike. The shop has also planned small production runs.
Made in: Pittsburgh, PA (frames built in the Maestro shop).
Source: Bikepacking.com, checked 10/2026
Pittsburgh, PA
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Made-to-measure lugged steel frames and bicycles for road, track, cyclocross and randonneur riding, built one at a time by Mauricio Rebolledo, who previously built frames at SyCip.
Made in: Glen Ellen, CA (frames brazed in the builder's home workshop).
Source: North Bay Bohemian profile, checked 10/2026
Glen Ellen, CA
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Steel and aluminum frames for road, track, cyclocross, gravel and mountain bikes, built by Paul Sadoff, a professional builder since 1988 whose cyclocross frames are raced at a high level.
Made in: Santa Cruz, CA (frames built in a one-builder shop on Mission Street).
Source: RoadBikeRider interview, checked 10/2026
Santa Cruz, CA
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Sotherland Custom Bikes is John Sotherland's small shop, hand-building custom bicycles to order for more than 20 years. He has also offered one-on-one sessions in which a customer builds a bike alongside him.
Made in: Whitewater, WI (custom bicycles built by hand in his shop).
Source: Cycling Passion builder list, checked 10/2026
Whitewater, WI
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Strong Frames is Carl Strong's custom frame shop, building made-to-measure road, mountain and cyclocross frames in steel and titanium, with no stock sizes. Frames are joined by TIG welding, fillet brazing or lugs.
Made in: Bozeman, MT (cutting, welding, finishing and assembly in Strong's own shop). Painting has been done by an outside painter in Colorado.
Source: Bozeman Daily Chronicle, checked 10/2026
Bozeman, MT
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SyCip Designs, run by brothers Jeremy and Jay Sycip since 1992, makes custom bicycle frames in steel, aluminum and titanium for road, gravel, mountain and cruiser riders who want a frame built to their own fit.
Made in: Santa Rosa, CA (Jeremy cuts, tacks and welds each frame; Jay paints them).
Source: The Radavist shop visit, 2018, checked 10/2026
Santa Rosa, CA
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Custom bicycle frames, forks and complete bikes built one at a time by Mike Terraferma, a TIG welder with an aerospace background, including lugged steel road bikes. The shop also runs frame building classes and does limited repairs.
Made in: South Florida (frames and forks built by hand by the owner). The site gives no city or street address, and components on complete bikes are bought in.
Source: Terraferma Cycles, checked 10/2026
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Paul Wyganowski builds custom bicycle frames, such as mixte commuter and touring frames with rack and fender mounts, using a build method passed down through four generations of frame builders. He also teaches a frame-building class.
Made in: Minnesota (frames built by Paul Wyganowski).
Source: The Radavist, MinneCycle 2017, checked 10/2026
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Nate Zukas builds custom bicycle frames one at a time, mostly in steel, often fillet-brazed, and also works in titanium and aluminum. He paints frames himself. For riders who want a made-to-measure frame from a small shop.
Made in: Augusta, GA (frames built and painted by the builder).
Source: Singletracks interview, 2023, checked 10/2026
Augusta, GA
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Frame materials at a glance
| Material | Ride | Care and repair |
| Steel | Comfortable, lively ride; heavier than the other materials | Needs paint or rust protection; most builders can repair it |
| Stainless steel | Feels like steel | Resists rust, so it can be left bare |
| Titanium | Light and lively; very durable | Does not rust and is usually left unpainted; costs more |
| Carbon fiber | Lightest; stiffness can be tuned tube by tube | Damage can hide under the paint; repaired by specialist shops |
| Aluminum | Light and stiff; firmer ride | Usually the lowest cost; hard to repair |
Ordering a custom frame
Expect a fitting or a set of measurements, a conversation about how and where you ride, and a wait while the builder works through earlier orders. Many one-person shops keep a waiting list, and some close their order books for a time, so check the builder's site before you plan around a date. A builder close to home makes an in-person fitting easier.
Frame builders by state
- Arizona: Bohemian Bicycles
- California: Black Cat Bicycles, Caletti Cycles, Calfee Design, Columbine Cycle Works, Holland Cycles, Hunter Cycles, Inglis & Retrotec Cycles, Mandaric Bicycles, Rebolledo Cycles, Rex Cycles, Rock Lobster Cycles, Soulcraft, Steve Potts Bicycles, SyCip Designs
- Colorado: 3D Racing, Bingham Built, Chocolate Spokes, Dean Bikes, Gallus Cycles, Gecko Cycles, Merlin Bikes, Moots, Mosaic Cycles
- Florida: Jonathan Greene Cycles, Terraferma Cycles
- Georgia: Zukas Cycles
- Idaho: Alliance Bicycles
- Maryland: Bishop Bikes
- Massachusetts: Alex Meade Bikeworks, Firefly Bicycles, Hot Tubes, Independent Fabrication, Richard Sachs Cycles, Royal H Cycles, Seven Cycles
- Michigan: 616 Fabrication
- Minnesota: Anderson Custom Bicycles, Clockwork Bikes, Wyganowski Frames
- Missouri: LaBerta & Sons Cycles
- Montana: Kirk Frameworks, Strong Frames
- New Mexico: O'Leary Built Bicycles
- New York: Coast Cycles, No. 22 Bicycle Company
- North Carolina: BREW Bikes, Dogwood Cycleworx, Kish Fabrication
- Ohio: Groovy Cycleworks, Stanridge Speed
- Oklahoma: Edoz Bicycles
- Oregon: Ahearne Cycles, Argonaut Cycles, Land Shark Bicycles, Ti Cycles
- Pennsylvania: Engin Cycles, Maestro Frameworks
- Rhode Island: Chapman Cycles
- Tennessee: Lynskey, Predator Cycling
- Texas: KirkLee Bicycles
- Utah: Blaze Bicycles, Waltworks
- Washington: Curtlo Cycles, Davidson Bicycles, Elephant Bikes, Thompson Custom Bicycles
- Wisconsin: Sotherland Custom Bikes
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