Are you positive that it's an On-One hub?
I was working on a very similar looking hub the other day (only externally obvious difference being a one piece cone with no lock nut) and it had a circlip to retain the bearing.
@M_V started
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Are you positive that it's an On-One hub?
I was working on a very similar looking hub the other day (only externally obvious difference being a one piece cone with no lock nut) and it had a circlip to retain the bearing.