Need a step down ferrule for 5mm brake housing...
 

... what do I look for/Google?

A Merckx I picked up uses chainstay stops under the TT for rear brake housing stops.

https://www.cycle-frames.com/bicycle...OV_SS_305R.jpg

I have step down ferrules for shift housing (left in pic), but too small for 5mm brake housing. I have one ferrule that works (middle in pic), but only one. Initial assembly I'll just use this Jagwires, but they are not ideal in fit or appearance.

Where do I find the proper ferrule or a second of the middle below?

Attachment 1697989800

I need the 5 (cable) to 4 mm (the hole) down step ferule maybe?

If you do, i can send you a few.

Yes that's what I need, ~5.2mm inside diameter on housing insertion end with ~3.9mm outside diameter on the insert-into-the-frame-stop end.

https://www.ebay.com/sch/i.html?_fro...ferule&_sacat= Lots 0f them on E bay. Will any work?

Called a '50%' step down ferrule and I have a bunch too for 5mm housing....

You can try using a wire stripper to take the outer plastic coating off the cable. I did that on my Merckx with internal cable routing with a narrow fitting.

Thanks all, it appears ultraman is hooking me up.

I had no idea this was a thing, I just figured my frame was a "have to finish it today and we ran out of parts" build.

Sent... will be there friday (they say)...