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Re:Why did we wait so long for the bicycle? by JackFr on Monday July 15, 2019 @05:28PM (#20445455)
> The alternatives are not good. Cast iron? Too heavy and too brittle. Wrought iron? Maybe, but not that great. Lead? Too soft. Brass? Could work, but expensive. A king's kid might have had a brass bicycle.

Well that still leaves wood.

Re:Why did we wait so long for the bicycle? by your-nanny on Monday July 15, 2019 @05:49PM (#20445614)
not strong enough for the frame without being too heavy. there are wood composite bicycles, today, but that is whole other thang