This article will discuss use of the Park Tool BTS-1 and BFS-1 to perform various machining operations on bottom bracket shells.
I'm building up a bike using a new frame as the basis. I'm undecided as to what bottom bracket and chainset to go for but one thing I have seen.
Bicycle Mechanics - Please explain why you need a bottom bracket facing tool - wow. 475 for this and this is the ebay price who knows how.