2016 renegade 1000 xxc TIRE SIZE QUESTION

good morning , new to the site so here we go ….i just recently purchased a 2016 renegade xxc 1000 digital camo , my question is , im going to buy a set of pit bull tires , i was wondering what was the biggest size you can go up to without any fitment issues ? im using the stock 12 inch bead lock rims i was wondering if 27 inch will fit ?