What must a motorcycle rider bear in mind before changing lanes?

A)That signalling the manoeuvre always gives right of way.
B)That motorcycles are always easy to see if their lights are on.
C)That at certain speeds it may be difficult for other road users to notice them.Correct
The motorcycle is a vehicle that sometimes goes unnoticed, making it extremely important to be seen by other road users, especially when travelling at a higher speed compared to that of other road users.