Originally Posted by
lagers
I recently purchased a second-hand 'new' Panasonic frame to replace my current one. It's a steel Panasonic 'livespot' frame. To my surprise, it didn't have any threads in the BB shell. I went to 3 local bike shops and they all told me they couldn't cut any threads so I'm not sure what my options are.
Did the shop tell you
why they couldn't cut threads into the shell; that is, do they lack the proper tooling to do the job, or is the inside diameter of the shell unsuitable for standard threaded bottom bracket dimensions?
Depending on the inside diameter measurement, it may be possible for it to be threaded, or perhaps even install a threaded sleeve:
https://www.framebuilding.com/NEWPAR...B%20shells.htm