It's possible to repair a bb by welding a steel liner into the shell and cutting a new thread into it. I had this done to one of my frames by Argos in Bristol.
Otherwise, you can use a threadless bb but not with modern external bearing type chainsets.
It's possible to repair a bb by welding a steel liner into the shell and cutting a new thread into it. I had this done to one of my frames by Argos in Bristol.
Otherwise, you can use a threadless bb but not with modern external bearing type chainsets.