Old 02-21-11, 02:57 AM
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Hill and Dale
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My understanding is Gordon Borthwick no longer builds frames, but was based in Iowa. From the internet archive, http://web.archive.org/web/200212240...m/bp_borth.htm


"Borthwick Framesets Inc.
Builder Profile



About Borthwick:

Borthwick Framesets was established in 1986 when I turned a hobby into a full time business. I build only custom frames and during the last several years, approximately 80% of my business has been custom tandem framesets.
I like to think that the primary requirement of a custom bicycle frame is that it be worn like a tailored piece of mechanical clothing--

optimized to fit our bodies
optimized for overall appearance
The Bicycle Torque Coupling System is really well designed and allows all the benefits of a custom frame--plus, the ability to travel with your custom bicycle in a regular size piece of luggage.
Products and services available utilizing BTCs.

We sell frames and complete bicycles.

Standard frames

Not Available
Custom frames

Road Racing
Touring
Hybrid
Off Road
Tandem
Weeks wait 12
Retrofitting services

Only on frames originally manufactured by us
Weeks wait 12
Construction methods

Lugged
TIG welded
Fillet brazed
Frame materials

Steel
Purchase from

We sell through retailers but will sell direct in areas where we aren't represented.
Contact Information

Borthwick Framesets Inc.
628 Park Street
Grinnell, Iowa 50112
Phone: (641) 236-0968

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S and S Machine, 9334 Viking Place, Roseville, CA. 95747
TEL. 916-771-0235 FAX 771-0397
e-mail: steve@sandsmachine.com"
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