Simply remove the wheel, brake caliper, hub, spindle, or wheel shaft to insert greaser tool and use grease gun to pack wheel bearings. Designed to service Arctic Cat, Can Am and Yamaha 30 mm ID wheel bearings. High quality CNC machined with precision drilled grease channel. Quick and easy way to extend the life of your wheel bearings. This part will not fit over the wheel shaft. On some models the spindle or the wheel shaft will need to be removed to gain access to the bearing.. Works with Arctic Cat bearing 1402-809; EPI bearing WE301320, WE301411 or any equivalent; Can Am bearings 293350040 and 293350118; Yamaha bearing 93305-00602-00..