Having a motorbike ,always missed the mirror when cyling ,becomes instinctive . Read a lot of bad reviews about bar end mirrors-lots of wobbles ,cant see for the vibration etc . Well this ones a winner for me,no wobbles, clear view of whats behind and seems fairly robust .Folds flat to the bar end if you want to prop the bike up.
Just cut a hole in handlebar grip end using knife and nail scissors no need to cut whole end off ,shoved it in tightened it up job done . Buy one saves your neck muscles no end .