The invention relates to a wheel hub (1) for a running wheel of bicycle comprising a wheel hub axis (4), a wheel hub sleeve (2) having spoke flanges (3), and at least one bearing (5) located between the wheel hub axle (4) and the wheel hub sleeve (2), whereby arrangements are made for fixing the rotating part of a brake system, especially of a brake disk. Said arrangements consist of an adapter provided with fixing boreholes for fixing the brake disk and provided with an inner profile (8) which, on the wheel hub sleeve (2), can be connected in a rotationally fixed manner to a profile which is arranged on the wheel hub sleeve in a rotative manner and which is adapted to the inner profile. The invention is advantageous in that a universal wheel hub sleeve is produced which can be equipped either with or without a brake disk on which, however, the rotating part of another type of brake device can be applied.