As this is my first post, I would first like to say how impressed I am with all of the work and skill I have seen from individuals on this forum. I humbly ask what may be a stupid question:
I am currently involved in a project involving prototyping composite folding bicycles. After searching online and on this forum, I have been unable to find dimensions for different aspects of a frame. For example, for a head tube to accept press-fit cups for an 1 1/8 headset, what is the nominal ID and tolerance? Is there a readily available resource or documented standard for these types of dimensions (dropouts, BBs, seat tube ID)? I know it's no accident that well made bicycle frames fit together and interface with components well.
Thanks for any input.
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