Bicycle helmet
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A bicycle helmet is a type of helmet designed to attenuate impacts to the head of a cyclist in collisions while minimizing side effects such as interference with peripheral vision.
A typical bicycle helmet
Nat Butler, 1910
Bicycle helmet, 1940s
Martin Wierstra (NED), 1959
Cycling
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Cycling, also known as bicycling or biking, is the activity of riding a bicycle or other types of pedal-driven human-powered vehicles such as balance bikes, unicycles, tricycles, and quadricycles. Cyc
Bicycle helmet
…A bicycle helmet is a type of helmet designed to attenuate impacts to the head of a cyclist in collisions while minimizing side effects such as interference with peripheral vision. A cycle helmet should generally be light in weight and provide…
European city bike
Children riding a bike in Ghana
Cyclist's bicycle emergency kit with spare inner tube and tyre levers strapped together, plus mini pump, patch kit, compass, and CO₂ inflator with cylinders.
Children competition on side wheels in the eighties in Czechoslovakia