A rear view bicycle mirror assembly (10) for attachment to a bicycle frame (3) comprising a mirror (14) and mounting body (12). The mounting body (12) comprising a mounting means for mounting the mirror onto the frame of the bicycle. The mounting means comprises a first mounting foot (18) for abutment and mounting on a first tube (6) of the bicycle frame, and a second mounting foot (24) for abutment and engaging a second tube (4) of the bicycle frame at an angle to said first tube and first mounting foot.