Originally Posted by
banerjek
Sure, but it's always nice to be able to use cheap/free components when you can rather than use the one you're supposed to. I mix and match on 3 of my 5 bikes and it works great.
No argument. I am converting my Chinabike to 11-speed right now by just buying the SRAM Red levers, and a cassette and chain. The freehub is already 11-speed and the two 10-speed derailleurs are reputed to do fine with the 11-speed levers. Cheap enough.