squealing/rubbing wheel noise?

Yea I just had mr7's put on and when I was leaving the place that mounted them I was hearing a strange squeaking rubbing noise from my front right wheel, it lasted about a couple miles and got louder at some points then it went away and its been gone for a couple hours now. Im probably going to bring it by them to makesure nothing is wrong but does anyone have an idea what it could be and/or if it may be a serious problem? thanks.