@michaelpr: very interesting

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RE: RE: This Bike Can Go 144km/h (89mph) ONLY With Muscle Strength!

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RE: This Bike Can Go 144km/h (89mph) ONLY With Muscle Strength!

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2016-10-30 16:53

very interesting technology, didn’t know this was possible without a motor

2016-10-30 16:53

$ 0.000

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@michaelpr: very interesting