With 172.5 crank arms, toe overlap shouldn't be a problem unless the OP has really long feet for such a small frame.

EDIT - There's about 65mm clearance between the pedal spindle and the front tire when the front wheel is straight. There will be a little more clearance when the front wheel is turned, but with 172.5 crank arms I need close to 100mm between the pedal spindle and the front tire when wearing size 12 shoes.

Davet may be right about there being a toe overlap problem. One potential fix is a slacker HTA with a change in fork rake to provide the same trail.