I could never get used to a helmet or eyeglass mirror for several reasons so have always looked for bar mounts. This one is hands down the best I've ever used: rock steady, great field of view, lightweight, easy to adjust. There are a number of mounting possibilities, but where I positioned it is very useful without interfering with my hand positions.



There are some drawbacks to having it stick out to one side like that, such as only being able to lean it on the right side, but so far it has been worth it. I'd actually like to order another one as a backup, but the Amazon page indicates that it's availability is now unknown. :-(