Originally Posted by
JohnDThompson
That's a Cinelli "diver's helmet" cable stop. It uses a step-down ferrule to hold the housing. It appears the P.O. had some sort of insert in there instead. Pull that out and replace it with the proper ferrule and it should be good. These should be available at your LBS, or online:
Thanks for the reply. So, the inner diameter of the stop is fairly standard to allow the step down ferrule to work in place of the “diver’s helmet”? That was my original concern of destroying the current plastic insert and then the step down ferrule wouldn’t fit.