Help! Rear Derailleur Cable guide / Ferrule size?

Chris1178
Chris1178 Posts: 21
edited June 2015 in Workshop


Hi all

Wonder if anyone can help me with this?

I am doing up an old Reynolds 531 bike and am at the last stage of fitting rear derailleur & cables. Got everything sorted and now at putting cables on. However, the cable outer from the barrel adjuster should go into a cable guide/router (not sure what its called - but its on the horizontal chainstay and is a little ring shape).

Problem is, the gear outer cable is too big to go in.
With ferrules on it definitely won't go in.
Is there some type of stepped ferrule i need?

I've attached two pictures and circled the bit i'm talking about to help!! :)

cheers
chris

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