My Gary Fisher Minnosaurus with banana seat and sting ray bars.
rebuild, new front wheels, banana seat and support. Okay, not 20", the rear wheel is 16". Front wheels are those 10" dolly wheels from harbor freight with the bearings replaced to metric 17mmx35mm.
Donation to the local bike coop. Front end is an inverted girls schwinn varsity, rear end some decent freestyle.
my Next fiXie.
20" solid rubber tire wheels from 2 Schwinn Excercisers. Tilts the scales (over if you aren't careful) at 75 pounds. Shakes your teeth. Stands up on it's own on level pave'.