Our Patent Pending EZ WheelZ are the best wheel solution for moving your snowmobile around while loading, unloading, or moving in and out of your garage or shed. Securely fastens to the ski bolt and you are able to drive your snowmobile around without damaging your wear bars or the surface that you drive on (concrete floor, blacktop, grass, or gravel etc.). Available in 8" (for trail sleds) diameters with a 1.0" standard and 1 5/8" wide offset axle for wide ski applications. Includes: heavy duty 8" non flat wheels with roller bearing hubs, stainless steel precision machined axle, cast aluminum form fit hand wheel. Most all Polaris and Arctic Cat 2012 & newer, Skidoo 2008 & newer (trail sleds) will only have room for a 8" wheel. Watch the fitment video for more details. No Assembly Required!! All EZ WheelZ come Pre-assembled and sold in pairs. Note: For use with aftermarket skis use 8" Wheels Kit DS28Z2338Z1 10" Wheel Kit DS28Z2339Z1 These are foam-filled tires and are intended for moving your sled around and then removing. The tires will flat spot if you store your snowmobile with wheels installed. Please do not keep these installed for extended periods. Not to be confused with snowmobile dollies, sled wheels, snowmobile wheels, snowmobile cart, etc. https://www.youtube.com/watch?v=SW9Sgbno4NM