it would appear the diameter of the Bottom bracket shell is too wide by a mm or 2- 35mm diameter it would appear
Sounds like you're trying to put a 1.37" ISO cup into a 36mm Italian shell.
You can easily buy Italian thread BBs for your Chorus cranks,so it's not the end of the world
Sounds like you're trying to put a 1.37" ISO cup into a 36mm Italian shell.
You can easily buy Italian thread BBs for your Chorus cranks,so it's not the end of the world