Yup, still using bar end shifters!
Several years back we test rode the new Shim DI-2 and after less than 2,000 miles (after some issues) went back to a triple setup and bar end shifters.
DI-2 system has been improved, but hey,the old mechanical stuff works great!
Pedal on TWOgether!
Rudy and Kay/zonatandem

Photo os us in 2015 during our 3-month sojourn in Logan, UT