The “Joelette” is a one-wheel chair with two shafts: one in front and the other behind the seat, in order to drive or to carry it, if necessary. A suspension, a brake and a jack to adjust the shafts, complete the Joëlette features. Its use requires minimum 2 assistants. The Joëlette can be adapted to personal disability. With the Joëlette, it is possible to travel on any kind of ground, given a minimum width of 1 meter and no steps higher than 40-50 cm. It allows to frequent outdoor spaces otherwise precluded to all people with motor disabilities. With the help of a Joëlette, people with motor difficulties will be able to leave conventional transportation means and enter the nature surrounding Balme along various difficulty itineraries.