Durable And Smooth Front 105 HubRadial Lacing CompatibleCubic Boron Nitride Treated Cone Races Provide A Mirror-Smooth Bearing Surface For A Low Friction, Corrosion-Free PerformanceLabyrinth And Low-Friction Contact Sealing Effectively Shuts Out Water And Dirt Without Affecting Rotational SmoothnessInternal O-Rings Help Maintain And Increase Service Life Of Front Hub By Holding The Grease In The Bearing HousingSilver Anodised Cold Forged Aluminium Hub ShellComes Complete With Q/r Skewer