RZR XP 1000 Anyone running 28″roctanes on their xp1k? April 25, 2015 I’m wanting to put the same size tires all around but I don’t really want to go to the 30"roctanes. The 28"roctanes look to be just slightly bigger than the stock bighorns.Has anyone else done this and do you have any pics? Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related