Simply remove the axle nut & hub, slide the greasing tool over the axle and pump the bearings with grease! CNC made from billet aluminum, designed & manufactured in house at UTV INC in Mesa, Arizona. This will fit the 2017 & 2018 FRONT & REAR wheel bearings on the Can Am Maverick X3 & X3 Max models. WILL NOT FIT 2019 MODELS OF THE CAN AM MAVERICK X3