Sportgerät mit Rollen

摘要

The innovatory aspect of the invention is related to sports devices with rollers such as in-line skates, roller skates, skate-boards and similar. The device is equipped with a swing system enabling the rollers to adapt to uneven ground surfaces and a brake system acting preferably on two rollers or two pairs of rollers at the same time, maintaining ground contact for at least two of the rollers of the swing system during braking.