Abstract: A mounting for a two-wheeler accessory such as for a two-wheeler lock, for a water bottle or the like has a holder and a fastening strap. The holder comprises a support section for resting on a tube section of a two-wheeler and a receiving section for receiving the two-wheeler accessory. The fastening strap fastens the holder, the tube section and the two-wheeler accessory to one another. A first end section of the fastening strap extends in the region of the receiving section of the holder, an intermediate section of the fastening strap extends in the region of the support section and a second end section of the fastening strap in turn extends in the region of the receiving section. An operative section of the fastening strap is provided along a part of the first end section and an associated operative counter-section is provided along a part of the second end section of the fastening strap.