Originally Posted by
3alarmer
...the ones pictured are surprisingly specific in use. I've tried other ferrules, and you're actually better off with a bare cable end, because with the other ferrules I've tried, they usually shift and bind the cable pull. Those stepped ones are really good for the rear derailleur cable at the stay braze on, though.
I was thinking that you could put the narrow portion through a washer - especially a thin one that would conform to the hole.
I think the AGC251 levers I have actually came with a broad stepped ferrule rather than the ball ones.