SPLINED PORTION CONNECTED TO ONE OUT OF A BRAKE DISC AND A HUB

A splined portion () connected to one out of a brake disc and a hub to which the brake disc is to be connected. The splined portion comprises teeth () adapted to mesh with grooves in a second splined portion () connected to the other of said brake disc and hub, and extends annularly about an axially extending central axis. At least one, preferably a plurality, of the teeth () of the splined portion () is split into at least two tooth portions () being resiliently movable towards and away from each other in a circumferential direction of the splined portion (). The splined portion () further comprises a tensioning means () adapted to releasably adjust the circumferential distance between the two tooth portions ().