FIELD: sports.
SUBSTANCE: invention relates to production of sports equipment. In the device of universal skis, comprising on the ski frame the rollers of large diameter with a tensioning device, the housing rollers having the ability of one-way rotation with the ability of rolling on the endless flexible belt, having guides, which cross section is for example a trapezoid, and which are in contact with the mating grooves of the rollers, and supporting rollers of smaller diameter, at that all the rollers are connected to the frame by means of anti-friction bearings.
EFFECT: invention is implementing the ski and biathlon competitions throughout the year, and in the summer marking the route can be done on a cross-country and ground terrain.
3 dwg
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