RZR 900 - 50'' Trail Models Need to stay 50″ Help June 15, 2015 So I bought the STI 6+1 HD3 and 9" Bighorns all around and that pushed me out to 53". I need to stay 50". I ride in Utah and have had Bighorns since 07. What tire and wheel set up do I need to stay at 50"? Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related