Originally Posted by
bigbenaugust
Old rigid mountain bike + slicks + rack == win.
Or you can do what I did and just pick up a cheapo frame from Nashbar and build your own.
The pertinent point in that post being 'slicks'. Fitting slicks to replace the mtb tires will take you more than half way to having a commuter with 26" wheels. Slicks will also take more air pressure.