Pedalling Handlebar Bikes – The 4 Strike Bike Lets You Use All Limbs for High-Powered Propulsion (GALLERY)

(TrendHunter.com) You might not have noticed at first glance, but the handlebars of the 4 Strike Bike are actually a second set of pedals. Unexpected, isn’t it? Lex van Stekelenburg came up with the concept as…

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