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2016-5-10 21:47:03

Mountain Beach Sand Snow Bike

Mountain Beach Sand Snow Bike
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2016-5-9 21:48:32

Factory

Factory
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2016-5-6 19:58:13

Electric bicycle History

Electric bicycle History
In the 1890s, electric bicycles were documented within various U.S. patents. For example, on 31 December 1895, Ogden Bolton Jr. was granted U.S. Patent 552,271 for a battery-powered bicycle with “6-pole brush-and-commutator direct current (DC) hub motor m >> more

2016-5-4 16:48:03

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