Originally Posted by
BCRider
That would be as in "centerpunch a mark to start the drill"? Yep, a darn good idea.
Froze, that's a little extreme isn't it?
From the nice job highlighting the edge with red paint I'm suspecting a fancy track frame or at least some sort of clean living racer frame.
Actually almost all Italian and French bikes were made this way, that's just a regular road bike with Nervex bb shell. I had bikes in the past with slotted lugs.
See more:
http://www.raydobbins.com/ebay/bike-...i/photo_42.JPG
http://www.lfgss.com/thread30406.html
http://media.photobucket.com/image/s...er/5a93_12.jpg
http://www.dominguezcycles.com/image...4/lres/031.jpg
http://www.ceeway.com/NEWPARTSPAGES/...S/new_pa33.jpg (looks the way mine does after the drilling)
There are other designs I can't find pics of but you get the point.