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Yipsan Bicycles:
Fillet brazed 700c road sport:

This bike was built for a lady of light weight with compact angles, fillet brazed to allow a freedom in geometry design. All main tubes are 28.6mm diameter.

Yipsan Bicycles:
Seatstay brazing POV in fast motion:

A quick clip of brazing a seatstay / dropout joint.

Yipsan Bicycles:
650b MTB:

Ridgid 650B mountain bike with paragon sliders, and 29er suspension corrected fork. Room for 2.3 Neo Moto. This bike was test ridden by Mountain Flyer magazine, then shown during NAHBS 2010; and now it is a demo bike residing at The Bicycle Escape in Frederick, MD.

Winter Bicycles:
Speed Metal Track Frame:

Omnium frame with sprint tendencies Speed Metal

Yipsan Bicycles:
Sunflower City Bike:

650B, internal gear hub, hidden cables, flower motif front rack platform with U-lock holder and integrated front and rear light.