In reply to Fultonius:
> (In reply to mlmatt) I used to have the asym bar on G14s with Scarpa Cumbres and it helped a lot - well worth it.
The reason you use the asym bar on freneys and cumbres with G12/G14 is the crampons are designed for a more symetric boot like the nepals and the down points in the middle of the crampon are too far to the inside of the boot and overhang it (size 46). The asym bar pulls the front points MORE to the inside which in turn angles the mid points so they are more evenly spread about the middle of the boot.
Personally I don't like the asym bar on the cumbre/freney (same sole unit) as they pigeon toe the front points and make them point inwards too much and out of alignment with your kick, I find the rambo 4's fit much better.
To the OP:
I can't see how the asym bar will help your problem as it bends the front of the crampon more towards the inside of the boots, given that the heel unit has to stay in the same place this will only make your problem worse (as well as pigeon toeing your mono points). Have you used monos before? They are supposed to be situated somewhere towards your big toe. (Am I understanding your problem correctly that you feel the mono is too much over your big toe or even past it?)