The Stealth Big Wheel Kit comes with a brand new heavy duty 1.25 inch black anodized axle & spacers. The outside wheel mounts are anodized black and come with prelock-tite hardware. All wheel bearings are heavy duty and replaceable. The wheels are made of a much thicker material and are indestructible. Using this wheel kit will reduce hifax wear and friction while improving your fuel mileage. It also creates less drag to allow easier rolling. This kit will last as long as your machine.