Only because I have a good set of 16" studded snow tires I'd like to use for short periods of time? I know that room for the brakes is an issue. There is an Ebay add for 16" wheel for a Ridgeline.
http://cgi.ebay.com/ebaymotors/ws/e...d=1,1&item=8003213122&sspagename=STRK:MEWA:IT
http://cgi.ebay.com/ebaymotors/ws/e...d=1,1&item=8003213122&sspagename=STRK:MEWA:IT