EMERGENCY WHEEL

An attachment is provided for a vehicle wheel, having a rim and a tire arranged on the rim, for enabling a driving operation with a restricted tire function in an operating state in which the attachment is fastened on the vehicle wheel. The attachment may include a stationary section configured to be fastened immovably with respect to the rim in the operating state in which the attachment is fastened on the vehicle wheel, a tread section with a tread for contacting the road, and at least two clamping devices configured to engage behind a section of the rim to fasten the attachment on the vehicle wheel, wherein the tread includes at least one tread segment arranged movably in a circumferential direction with respect to the stationary section in the operating state in which the attachment is fastened on the vehicle wheel.