Spare tire for automobile wheel

The invention relates to a spare tire for a motor vehicle wheel, comprising a rim and a tire mounted on the rim, the spare tire allowing a travel with limited tire functions in the use state fastened to the motor vehicle wheel, the spare tire being designed in a multi-part manner and comprising a plurality of wheel segments (16, 17), the invention relates to a spare tire (1) for a motor vehicle wheel, in particular a motor vehicle wheel, comprising wheel sections (12) which each have a respective tread part (18) which forms a common tread, and comprising a mounting part (12) which, in the use state, can be fastened to a rim of the motor vehicle wheel and which has at least three tensioning arms (21) which extend radially outward from the same centre (22), and on each tensioning arm (21) at least one jaw (31) is provided, the invention relates to a clamping device for fastening a mounting (12) to a rim of a vehicle wheel, said clamping device being actuatable by means of engagement elements (26) of a clamping