Originally Posted by madpogue
Besides, the question is about removing the crank arms. I don't think Homebrew wants to remove the BB or the pedals.
Yeah, I know. But, double crank on a triple spindle length = messed up chainline. Besides, you have to take the pedals off the triple crank to put them on the double crank. If he/she already knew then it's just FYI, no harm done.