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Old February 24th 06, 10:44 PM posted to rec.bicycles.tech
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Default Threadless BB Cartridges: Why/Why Not?

Pete Cresswell writes:

Thanks to Werehatrack for introducing me to the concept...


Now it begs the question:
Why are BB shells threaded in the first place?
i.e. Why don't most bikes just come with threadless
already installed?


Sounds like there's a downside...


I must have missed it but could you direct me to a web site where I
can see the cross section of a threadless BB? The only ones I know of
were on Ashtabula cranks and they had a larger diameter.

Jobst Brandt
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