Originally Posted by
vtchuck
To me these look identical... I think a lot of the VO gear comes from IRD.
...
Am I correct in assuming the IRD is a non-index, friction lever?
Yes, the IRD is a friction lever.
I bet the IRD, Velo Orange, and Dia Compe ENE shifters come off the same production line in Taiwan. The only difference is the logo:
ENE THUMB SHIFTER | Diacompe