Originally Posted by
Captain Blight
So, I found a clue to the reason behind the slots in the bottom bracket on the Classic Lightweights site, in the "Block Chain" essay:
So they are there to let the bolts of a 50.4 crank be backed out without having to take the drive-side assembly off the spindle.[/FONT][/COLOR]
I don't buy that in this case. The slots are too shallow to make much difference, nor does it explain the slot on top.
The drop outs are reminiscent of the ones on my 74 Nishiki International, but the eyelets are in a different placement and these look slightly nicer.