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О жизни на двух колесах

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О жизни на двух колесах What gear should be used and how to switch transmission speed on a bicycle


The cyclist must know how to switch speeds on a bicycle and be able to use the switch for any surfaces of the road. The riding speed is interrelated with the physical preparedness of the rider and the correct gear shift. These details allow the full use of all the capabilities of the bicycle.

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