I mentioned this in C&V and it was suggested that I share it here also: two improvised tools that I've gotten a lot of use from are an old-fashioned monkey wrench - works for headsets and bottom bracket fixed cups (and you can drive a nail with it too )



In the cases where the fixed cup has low profile flats (such as on the style of cups that are used on Raleigh Sports and similar,) I use my makeshift headset press to keep the wrench from slipping:



The other tool also serves a dual purpose - it's a set of channel lock pliers with a few of the teeth filed down to remove/install BB and cog lock rings. It doubles as a less-brutal way of removing the ball cup on Sturmey-Archer 3-speed hubs (most people use a hammer and chisel...)





I should point out that I saw the plier hack on velospace, all credit to that guy...