• thenextguy@lemmy.world
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    14 hours ago

    For example, the bottom bracket—the tubular bearing assembly at the bottom of the frame that the pedal axle threads through—has long been a fairly standard part.

    Ha. Threaded vs press fit. English vs Italian thread. ISO square taper vs JIS. God knows how many types of BB, Hollowtech, Hollowtech II, …