Originally Posted by
Dave Mayer
Sigh.. all current bottom brackets are press-fit. So even if you buy something threaded, the 2 cartridge bearings at the core of the BB have been press-fit into their BB shells. Even current BSA-threaded square taper bottom brackets are press-fit, as the carts are press-fit in.
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My Chris King BB was just a bunch of parts. Nothing look pressed in anywhere. There were 2 separate shells that threaded into the BB.
The Origin 8 and Shimano's I put in a few recent rebuilds meet that description.