I believe Maxi-Car was using them before I was born.
George Allen Lexington, Ky USA
M-gineering wrote:
> Derek Vandeberg wrote:
>
>> Replaceable cartridge bearings -- I think they may have been the
>> first hubs
>> using these bearings, though I'm not certain of that.
>
>
> Harden hubs used cartridge bearings in the fifties, and I wouldn't
> dare assume they were the first
>
>
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