With the price of good pro bike tools, the home wrencher can save a lot of $ or a trip to the LBS by improvising. What tools have you guys made / improvised for bike assembly / disassembly?
I'll start with the obvious that I have
Headset cup press -- four correctly sized flat washers (that fit into your headset cups), a length of threaded rod or a long bolt, and some nuts. Simple, cheap and effective.
Bearing Race setter - a 1 1/4 inch female threaded PVC coupling (the threaded part down against the bearing race rides on it perfectly), a piece of 1 1/4 inch pvc pipe. Put the coupling on, then the pipe, wack it once or twice with a rubber mallet and you're good to go (grease the crown first).
What else have you guys done?