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Old 04-13-18 | 12:06 PM
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Old 04-13-18 | 08:50 PM
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Here's my latest broken part. I don't know the ancient history, I bought them used and have been riding them about a year when I noticed the cracks in the web between the holes. I got a used replacement hub on eBay, then found an empty hub shell for $5, transferred the internals, so now I have a spare.
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Old 04-13-18 | 08:59 PM
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Originally Posted by Slightspeed
Here's my latest broken part. I don't know the ancient history, I bought them used and have been riding them about a year when I noticed the cracks in the web between the holes. I got a used replacement hub on eBay, then found an empty hub shell for $5, transferred the internals, so now I have a spare.
What is/was the spoke tension?
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Old 04-13-18 | 09:18 PM
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No idea. I'm not a wheel builder, like I said I got the wheels used, so I don't know their history. The hub was dated 1960, so anything could have happened in that time. They spun very true, and never gave any indication of trouble. With the replacement, so far so good.
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Old 04-13-18 | 09:42 PM
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Originally Posted by Drillium Dude
You'd have to ask Pastor Bob. He did an overhaul on this unit last year. I know his basic technique, but not the specifics regarding solvents and the like.

I wonder what it was about the cog metal that was different from the Oros and Extras that came before (and apparently had little/no issues)?

There's every chance I can get a new cog in there and be good as new, but I am going to have to put this on a bike I use for easy days. Trouble is, sometimes easy days (like today was supposed to be!) have a way of turning into hammer-time rides

DD
"Popping cogs", especially Regina cogs in the "oro" years was not uncommon way back, usually a 16 or 17t, really depended on the body style. there is not much material at the root of the cog.
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Old 04-13-18 | 09:45 PM
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Originally Posted by Slightspeed
No idea. I'm not a wheel builder, like I said I got the wheels used, so I don't know their history. The hub was dated 1960, so anything could have happened in that time. They spun very true, and never gave any indication of trouble. With the replacement, so far so good.
Uncommon, but note the hub had been rebuilt a few times... makes one wonder if there was a lateral load occurrence at some point.
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