Hiya,
Any wheel with a 4mm "D" shaft will fit these, or anything with a 4mm bore that has a grubscrew. The small banebots wheels and hubs have been used to great effect at this scale.
ESC wise, recommend a pair of 10 botbitz if you are only running 3s lipo or 12v.

for mounting the motors, there are some threads on the faceplate that you can use to mount, maybes using a bit of aluminium angle.
Cheers, Harry.