Which key innovation in the late 1880s made the 'safety bicycle' vastly more comfortable?
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While early safety bicycles used solid rubber tires that rattled the rider's bones, John Boyd Dunlop's reinvention of the pneumatic tire in 1887 changed everything. It absorbed road shocks beautifully, making cycling a smooth and highly popular leisure activity for the general public. Photo: Jonathan Cardy, Wikimedia Commons, CC BY-SA 3.0.
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Source: Wikipedia (CC BY-SA)
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