A sprocket is provided for arrangement on a drive shaft, the sprocket having a gear rim which has an externally toothed gear ring and a ring carrier, and a sleeve body, wherein the ring carrier has a recess for receiving the sleeve body and the sleeve body has a recess for receiving the drive shaft so that the gear rim can be arranged on the drive shaft with the sleeve body interposed there between, wherein the sleeve body is provided with a thread on its outer lateral surface and wherein the recess of the ring carrier provided for receiving the sleeve body has on the inner side thereof facing the sleeve body a thread corresponding to the thread of the sleeve body.