Ingredients:
2 drop handlebars
2 road stems that fit the drop handlebars
2 BMX forks with the dropouts cut off squarely
one top or other tube with the same inner diameter as the outer diameter of the BMX forks
2 bmx stems
2 bmx handlebars, approximately the same size as one another.
4 axles with 2 nuts and 2 washers apiece
a few old inner tubes.
Tools:
drill
drill bit slightly larger than the axles
wrenches for all nuts and bolts used
Optional:
wrap top handlebars with inner tubes to protect frame of bicycle being worked on, and/or bottom handlebars to protect the floor from scratches.