XSPIN El 1er Appcesorio del Mundo para Ciclo Indoor Fácil Instalación Detecta la Cadencia Real del Movimiento Circular Entrenamiento con Apps Interactivas Conoce tu Rendimiento al Momento La App...
Have you ever noticed that it's harder to start pedaling your bicycle than it is to ride at a constant speed? Or wondered what causes your bicycle to move? Or thought about why it goes forward...
Thanks for calling me a young man! It's really cool to be here. Being hanging out with TED -- It really is quite cool. The good life. Those three words probably mean a whole lot of different...