Thanks, lj. I stopped by my LBS on the way home, and my buddy there said the same thing so I picked one up. I got the 42 off without removing the crank, but the 39 is too small. So, no problem, right? Just pull the crank with the old crank extractor. AHH, but wait, this is a recent 105 bottom bracket with hollow axle, nothing for the puller to push against. Sooo, Rainman has to buy yet another tool, the new type extractor, which is not a problem except, as usual, a 3 minute job is going to take a couple of days! I'm just going to stop by the shop and use theirs this time, but I told my buddy to add it to the growing list of things to order for me.
__________________
If it ain't broke, mess with it anyway!