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What if bikes had been invented earlier?
(slrpnk.net)
A community to discuss solarpunk and other new and alternative urbanisms that seek to break away from our currently ecologically destructive urbanisms.
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Have you ever seen wooden/ bamboo bikes? Renovo was one manufacturer. And currently, (https://www.lightwoodenbicycles.com/) TimberWolf Cycles.
There are others: https://www.treehugger.com/awesome-bikes-made-of-wood-4869156
I saw one in a museum, from the 1880s, made of hickory. It reportedly weighed 18 pounds.
Most of them the frame is wood, but the gears, chain, spokes, brake cables, steering, cranks... are all metal. There are a few all wood bikes, but wood doesn't work well for some applications (it is great for the frame) and so I'd expect the all wood bikes to wear out fast.