dear dar486
as u see some wider tires, such tyre need the aloy rims bcoz these r .5 to 1 inch usually wider, but if u hav such tires than u need rims, in alloy
n in case ur tires r not 2 wider than u don need
moreover, ifu use same rim for a wider tire, it will just look as it needs air.
so, try 2 stick 2 width n height, again if u need info u can call me @ 0314 4179 007 / 0322 4846 007