Originally Posted by
Lombard
It will work fine. The crankset doesn't care how many speeds are on your cassette. Granted the chain is different for these, but the difference is too small to make a difference. I just put a 12-speed crankset on an 11-speed drivetrain and it still shifts flawlessly.
An 11 speed crank on a flat top SRAM 12 drivetrain probably will not.