<p>The guard has an attachment unit (2) e.g. bolt, with which the guard is attached to a part of a bicycle. A splash guard portion (1) is connected indirectly or directly with the unit (2). The portion has a slotted hole (6) that extends in a longitudinal direction of the portion and serves indirect or direct connection with the unit (2). The portion is positioned through the slotted hole in different positions relative to the rear wheel.</p>
