I'm sure that this question has been asked a hundred times but after searching tons of threads I'm more confused now than ever... I have a 2013 Sportsman 500HO that I want to put some wheels on. I'm not looking to go big or anything, I want to keep same size tires as factory. I can't find what the factory wheel offset is. I'm looking at the ITP SS212 & it's a 4+3, what will this do??? Also what is the bolt patern? Thanks in advance...