A rotating drum of a tire, wheel and/or chassis test stand, with an essentially cylindrical running surface (15). The rotating drum of a tire having a hub, side disks arranged on the hub, which in the area of their circumference (3a, 4a) have fixing areas, and a plurality of segments (7) which form the running surface (15) of the rotating drum (1,21). The plurality of segments (7) are arranged on the circumference (3a, 4a) of the fixing areas and are connected to the side disks.