The present invention relates to a device which is intended to assist a vehicle to leave a stalemate or to reduce the risk and which consists in adding a rolling surface in parallel to that of each wheel of the véhicule.cette rolling surface of the air chamber (rep 2 or 10a and 10b) covered or not of a tire (rep 11), or of the strip is solid at different hooking profiles (rep 13, 14 or 15) is mounted on a rim anti - stalemate essentially constituted by a profile of a conical shape (rep 1.2) and a flange (rep 1.1) centered and pressed against the exterior side of the rim of the vehicle wheel by at least 3 of bolts to special head (rep 6) are inserted and fixed in the respective openings of the flange and the jante.le diameter of the system is less than that of the wheel in order to facilitate assembly and to reduce the risk of interference with the carrosserie.la conical shape of the profile of the rim (rep 1.2) gives a natural stiffness of the system and makes it possible, when not in use, a stack easy for a minimum volume for storage.
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