Originally Posted by
Battletroll
...Are SRAM Red, Force, Rival, and Apex components interchangable?...
Yes
Originally Posted by
ColinL
...The one hitch is that the short cage derailleurs (red, force, rival) can't use greater than a 28T cassette, whereas the mid cage (force, rival, apex) can use 34T...
Force does not have a mid cage, and I'm using a 30T with my Force short cage.