Originally Posted by
grahamtillotson
I've had luck with the Sunlite threadless BB units. In my case I was making fixies out of old Raleigh 3-speeds, and I wanted to get rid of the cottered cranks, so I shaved the shell from 72-ish to 68 mm and then used the Sunlite BB.
Graham
Thank you for attention. What do you think about to cut the threads on it? and is there only 68mm option?