Originally Posted by
ks1g
Besides the cost & effort to keep a 2nd RD, cassette, and chain and move stuff back & forth, the 11-32 has bigger jumps, so you may notice you shift more often on flatter terrain trying to find the "best" gear.
Some people don't seem to mind big jumps, but I do. For what it's worth, this is why I like a triple with a granny gear. It's more weight but then you can keep your tight spacing and still get nice and low.
Cheers,
Charles