Abstract: A drum for the manufacture of a tire, in particular for winding or clamping a tire body, includes a circular cylindrical drum unit formed from circular-arc-shaped drum segments. The drum segments are movable in a radial direction, transversely to a rotation axis of the drum, such that an external diameter of the drum unit is changeable. The drum further includes an actuation device and a deflection device. The actuation device moves the drum segments. The deflection device has obliquely arranged telescopic guides that transfer an axial movement of the actuation device into a radial movement of the drum segments.