MOTORCYCLE EQUIPPED WITH DEVICE FOR DETECTING VEHICLE COMING FROM BEHIND

A motorcycle (1) comprises a frame mounted on wheels and has a front part (5) and a rear part (6), a handlebar (7) being located at the front part, means being provided to detect at least the speed and roll angle of the motorcycle when in movement, the frame having a longitudinal median plane (W) joining such front part (5) and the rear part (6). A device (10) for detecting a vehicle (V) which is moving towards the rear part (7) of the motorcycle when such motorcycle is in movement is provided, said device (10) comprising a radar detector or a television camera (12) rigidly of one piece with the motorcycle (1), said radar detector (12) being rigidly associated with the rear part (6) of the motorcycle (1) and following its movement, said radar detector (12) being connected to means (15) for evaluating the presence and movement of said vehicle (V) moving towards the rear part of the motorcycle (1) and capable of determining a variable hazard indication which identifies a time to collision between the vehicle and the motorcycle, said evaluation means (15) activating warning means (38) on the basis of such hazard indication which generate a warning for the rider's attention when said hazard indication reaches a predetermined value.