• Having spent an hour the other day swapping freehub bodies between 3 different 7 speed Shimano hubs I can assure you that whilst they feel like they might all be interchangeable, they ain't.

  • Well that’s unfortunate. Can you tell us what hubs they were and why they didn’t fit each other? It’ll be helpful information for the ongoing Uniglide - Hyperglide freehub upgrade route now the older hubs are getting harder to find.

  • Nothing to do with Uniglide/Hyperglide; I’m looking to overhaul a NOS rear wheel with a FH-1055 hub; the wheel bearings are perfect but the freehub sounds dry/crunchy so the bearing races may have been ruined.

    I’m planning on just replacing the freehub body with another one then attempting to strip and replace bearings in the original body.

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