Originally Posted by
himespau
Do the 7900 bar ends have the option for friction shifting the rear? I was heavily disappointed when my 7900 downtube shifters arrived with no ability to change from indexed to friction.
No, they no longer offer that option. You have to scour eBay to get the old friction/indexed option, model BS78. If you're lucky, you can get them almost as cheap as the new version.