Polaris RMK Handlebar and Fat Bar Adapter Combo KitM28 or M30 Handlebars New Rox RMK Fat Bar adapter Rox Thin Snow Grips. This kit is a perfect upgrade from the stock setup. It works with the Pro Ride, Axys, and Matryx RMK snowmobiles. You can set your total bar height to 2 inches, 2. 5 inches, or 3 inches of total rise with the 2 provided locking adjustment blocks. The lowest the OEM Polaris bars allow you to be is 4 inches. With this kit, you can be 1 2 inches lower than the stock low bars that come