Sidemount waketower bar for Polaris RZR's 800/900 Bar will mount to the outside of rollcage by the seatbelt mount Waketower bar diameter 1-3/4" Will not fit the 2015 and up RZR 900s models, the Polaris RZR 1000 Waketower Bar fit those year models Kits includes: One black powdercoated waketower bar hardware to mount bar This waketower bar will require you to drill holes in the rollcage to mount it.