Re: Bar End Question

"Yes. All my bar con 'pods' are from Shimano barcons that wore out.

I also own two sets of Paul's thumbies that I use on my recumbents,
but they, unfortunately, are only usable with Shimano  barcons."

NB :
http://www.paulcomp.com/mtthumbie.html
http://www.paulcomp.com/rdthumbie.html
in particular the adapter on the bottom of the 2nd page..

they allow fitting friction or 'silver' downtube levers ..
 into their 'thumbies'