Joe G has a good suggestion when it comes to foot-wear. What is she wearing? I have riding boots with 2" soles and even a higher heel. I can't comfortable touch the ground otherwise. If she has two inch soles and heels then the only other option is the adjustable mounts. Seems to me, considering what we spend on our bikes, paying this bit for your wife's comfort is a small thing. (I know, it is easy spending someone else's money lol)