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What threads are on my Zeus hub?

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What threads are on my Zeus hub?

Old 05-23-13, 03:05 PM
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owenmyers
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What threads are on my Zeus hub?

I just built some Rigidas with high flange Zeus hubs from the 70's. I was about to throw a freewheel on then i realized i have no clue what threads they are. I was hoping a Regina or Suntour will work, don't want to find a Zeus freewheel.
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Old 05-23-13, 03:07 PM
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As I remember, there was a thread this was mentioned in not too long ago Owen, but I can't remember which one. Maybe a search.
I was surprised but, it very well could be French, I think someone espoused.
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Old 05-23-13, 03:10 PM
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toytech
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the ones I have had were french
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Old 05-23-13, 03:53 PM
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I think the gist of the other thread was to assume french threading unless marked otherwise.
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Old 05-23-13, 05:53 PM
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Use a Shimano, sunshine, JoyTech or Normandy axle as a thread guage, against a lighted background like your monitor!

French threads match the 1mm pitch (25.4tpi) of the listed axles, front or rear.

An English or Italian bottom bracket cup is 24tpi, so would match an English/Italian hub.

An English freewheel usually threads easily onto any hub threads, but a French freewheel will only thread fully onto a French-threaded hub without force during the last couple of turns. Oil the threads before testing.
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Old 05-23-13, 06:07 PM
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I remember those posts saying that they are French.....
I would have suspected they most likely English and/or Italian threaded. Plus, I don't think the Zeus 2000 FW I have on one of my bikes is French threaded. More likely English, but I do have to double check.....
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Old 05-23-13, 07:58 PM
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English thread Zeus hubs should have "BSC" stamped in the barrel of the hub:



Metric thread Zeus hubs are unmarked. I'm not aware that Zeus offered Italian thread hubs.
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Old 05-23-13, 08:13 PM
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Originally Posted by Chombi View Post
I don't think the Zeus 2000 FW I have on one of my bikes is French threaded. More likely English, but I do have to double check.....
The inside body of an English thread Zeus freewheel will be marked with a "B" (for BSC):



Again, metric Zeus freewheels are unmarked.
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