00:00From a simple wooden frame to a speed machine, this is the incredible evolution of the bicycle
00:05in 60 seconds. It all started in 1817 with the dandy horse. No pedals, no chain, just pure human
00:13power pushing you forward. Then came the bone shaker in the 1860s. It had the first pedals,
00:19but the iron frame and hard wheels made for a brutal ride. The penny farthing offered speed
00:25with its giant wheel, but at a cost. Mounting and stopping was a dangerous challenge.
00:30The game changer was the safety bicycle in 1885. With a chain drive and equal size wheels,
00:35it was the blueprint for every bike since. By the mid 20th century, style took over.
00:41Streamlined cruisers were built for comfort and that classic stylish look. The 70s brought the
00:47racing spirit. Lightweight road bikes with narrow tires were built for one thing, going fast. Then
00:53the mountains called. The modern mountain bike with its suspension and rugged design conquered
00:59any terrain. Today it's all about precision engineering. Carbon fiber frames and aerodynamic shapes
01:05create the ultimate speed machines.
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