Originally Posted by genericbikedude
unless you're working with a sturmey, gear cables are all the same
No they are not... I just ran into this working on my old vintage Sannino. The lead end can be of different diameters... commonly known as Campy size and Shimano size. I found this out by buying a "gear cable" at my local Performace shop... oops wrong diameter end.
"...just file it down... " said the wrench.
Royal PITA to hold onto something that small and file it round and smaller.
http://www.biketoolsetc.com/index.cg...em_id=JW-SCUSS
Follow the above link and you will see the differences and markings.
Follow the below link for a whole selection of cables.
http://www.biketoolsetc.com/index.cg...les-Derailleur