Not many years ago that electronics has entered fully into cycling. It started with the introduction of electronic derailleurs and changes and has been entering other areas to help the cyclist improve their performance.
One of the objects that we can highlight as electronic material for the practice of cycling are the electronic speedometers . Brands such as Polar , Sigma, Cateye have grown thanks to the advantages of training with an odometer, speed sensors and wind. With another price and other benefits are the cyclocomputers, which give us information about our performance on top of the bicycle but do not tell us how the environmental conditions are, or most importantly, how our body is performing during training or competition.
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