2010GMCSierra
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SO I dont quite understand the Mathematics on offset wheels, I have a 2010 GMC Seirra Crew cab with a Rough Country Leveling kit, Im due for tires and Im considering upgrading to 20" wheels, Ive seen alot online with a 30mm offset, where are we going with this lol, so I was going to run 285/70/17s, but I would rather buy a set of 20" wheels what are my options?