BERNIE MIKKELSEN

Building frames since 1974
Inventor of the "Pro Sizer" sizing bicycle, and the "Pro Fit" sizer



Area Served 
Northern California
Located at the Grand Marina in Alameda
Ten miles East of San Francisco as the crow flies

What Makes Me Different

We make bicycle frames using steel only
  We blend Reynolds, Columbus, True Temper,
Dedacciai, and Tange tubing to tune the ride

I created several types of sizers
for duplicating any size, or geometry bicycle frame for riding tests
Unlike other sizing devices
mine has a front wheel so that it can actually be ridden outside
Stationary sizing devices provide no handling feedback

Why guess?

Test ride along the bay with a view of San Francisco
All you need is a few test rides
with some readjustments
to find your best position on the bicycle


There is nothing else like it


Steel bicyle frames
Any configuration
Any size
Custom geometry every time


Why compromise?


Custom paint and powdercoating
Gravel
Road
Mountain
Triathalon
Time Trial
Cyclocross
Single Speed
Track
Custom Forks
TIG welded, Fillet Brazed, or Classic Lugged
Frame Repairs
Braze Ons
Reproductions(dimensional reproductions of any existing frame)