Transmission automatique

Une bonne idée d'un inventeur qui s'appelle Haven Mercer.
Mais est-ce vraiment réalisable?

Plus de détails ici https://m.pinkbike.com/news/a-closer-look-at-haven-mercers-mechanical-automatic-transmission-concept.html

Oui pour
That could genuinely present an improvement in safety, particularly in the context of riding through heavy traffic. And, particularly for the individual who is a very, very occasional cyclist who is not tremendously well-versed in bike handling.