Originally Posted by
cplager
29" and 700 c tires both use 622 rims. If you get a 29 er, you can use 700 c wheels as long as they aren't too narrow (which you wouldn't want to do in winter anyway).
The rims are both 622 but the rim widths are such that there is a narrower range of interchangeability... with this companies like Nokian are bringing out models that are designed for wider rims.