Emergency wheel

An attachment for a vehicle wheel including a rim for enabling a driving operation with a restricted tyre function, the attachment comprising:

• a tread section with a tread,
• at least one clamping device configured to engage behind a section of the rim,
• an initial mounting section, wherein at least a part of the tread section is designed separately from the initial mounting section and is connectable to the initial mounting section in a detachable manner or is designed to be connected movably to the initial mounting section, wherein the initial mounting section is configured to lie radially internally with regard to the tread with the attachment fastened on the vehicle wheel, and
• a contact section configured to actuate the at least one clamping device and bring the at least one clamping device into rear engagement with a section of the rim upon actuation of the contact section, and wherein the contact section is arranged on the tread section and the contact section is configured so that, upon affixing the tread section on the vehicle wheel, the contact section contacts the vehicle wheel) and is actuated by such contact, or wherein the contact section is arranged on the initial mounting section and the contact section is configured so that, upon affixing the initial mounting section on the vehicle wheel, the contact section contacts the vehicle wheel and is actuated by such contact.