![]() If all parts were removed from axle, install right side parts.For front hubs, the common number is 10 balls of 3/16-inch diameter per side. For rear hubs, the common number is 9 balls of 1/4-inch diameter per side. Place ball bearings in both cups and cover with more grease.For freehub service, see Freehub Service. Freehub bodies are lubricated internally with a light lubricant, and soaking them with solvent will remove lubrication. Wipe freehub mechanism out using damp rag. Work around dust caps when cleaning and inspecting. Dust caps may be fragile and removal may result in damage. For many hub models, it is possible and recommended to overhaul with the pressed dust caps in place.Count the number of bearings on each side, and then use pencil magnet to remove bearings from hub shell.The side with more axle spacers gets more axle thread. Also note axle thread may be asymmetrical. Do not confuse left and right side parts. Note that left side and right side cones, washers and locknuts may be different. If inspecting bent axle, remove right side locknut and cones.Be prepared to catch bearings that fall from hub. Place hand below right side, and lift wheel slowly.Remove cone by turning counter-clockwise.Remove locknut and any washers, placing them on the tie.Hold cone using cone wrench, and loosen locknut counter-clockwise.Use a tie or string to hold small parts in the same orientation as they came off of hub. Mount right side down with left side facing upward. (OPTIONAL) Mount in axle vise, if possible.For quick-release hubs, counting the number of threads is an adequate measurement.Ĭount the number of threads past locknut face for a reference of axle protrusion Measure and note the amount of axle protruding past locknut. ![]() If it is a solid axle type, remove axle nuts.
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