The 4.5" rim used on that bike keeps you to a max of 160. If you get a 5.5x17" wheel from an SC you can fit a 180 under the fender. Any wider then that, and you rub the internal struts.
The drawback to the SC wheel is that the tires available are all sportbike tires that last about 6000 miles max. Though you can fit a 195/50 car tire on it