All the bearings and seals required to refit a wheel. Premium high-speed bearings feature low drag, double lip seals on both sides to provide superior exclusion of water and dirt and improved grease retention; High performance Chevron SRI-II grease features special rust inhibitors for the most demanding applications; Type TC, Nitrile Elastomer wheel seals are specifically designed to keep out water and dirt. The rubber coated outside diameter creates an optimum seal at the hub., Premium high-speed bearings feature low drag, double lip seals on both sides to provide superior exclusion of water and dirt and improved grease retention. High performance Chevron SRI-II grease features special rust inhibitors for the most demanding applications, Type TC, Nitrile Elastomer wheel seals are specifically designed to keep out water and dirt. The rubber coated outside diameter creates an optimum seal at the hub.,