MIKKELSEN FRAMES
Updated 292 days ago
Mikkelsen Frames is a San Francisco Bay Area bicycle framebuilder. Specializing in custom fitted bicycle frames. Creator of the pro-sizer sizing cycle...
I have been building the "new" sloping top tube frame geomrtry for well over a decade...
I built my own tandem frame jig from a turn of the century S.F.Chronicle cast iron type setting table