This unique bearing kit eliminates the external headset bearing cup and provides a simple low profile solution where the bearing itself presses directly into the head tube. The kit includes fork crown race, upper split-ring and cap.Stainless steel balls and races provide long life and are an excellent alternative for use in wet conditions, if you wash your bike often, or where sweat can be a problemDual-lip labyrinth (LLB) seals ride in a micro-groove for ultimate protection against sweat and the elementsContain the 90% fill CRC Marine high pressure water proof grease, so you never have to guess if there is grease insideEnduro Angular contact bearings are designed so that the balls are engaged to spread the force over a larger surface area for minimizing wearItem SpecificationsBearing TypeACBColorStainless SteelCrown Race30Defined ColorSilverMaterialStainless SteelS.H.I.S LowerEC34S.H.I.S UpperEC34S.H.I.S. Stem Clamp Diameter28.6 Threadless Enduro External Bearing Kit Headsets UPC: 811780027565