Rotatable Handlebar Bike Mirror - HD Automotive Grade Glass Lens, Large Surface Rearview Mirror for Bicycle & E-Bike (Left Side) | Perfect for Commuting, Road Cycling & Safety Visibility

It's nice and large. Thank youThis mirror installs very easy gives great view of what's behind you when adjusted it stays and does move.Mirror will not attach to the handle bar. Stripped attachment?? and screws don't connect the two pieces.I now prefer bike mirrors that mount into the ends of handlebars. These do not. The space to mount something else to my handlebars has run out, so I'm playing musical chairs and what I happen to want least at the moment loses.There is no protective gasket to go between the mount for this mirror and the handlebars. As the mount is metal with a full circular opening, the size of handlebars this mirror can mount to is fixed to what the metal is shaped for. The inside of the circles of the mount are smooth and can slip on smooth finish handlebars.The kit includes the tool for tightening the bolts on the mount. The arm of the mirror screws into the mount and there is a small nut that can be tightened to hold the arm in position before it screws all the way in. I could tighten enough by hand that the mirror did not move, but I will eventually use a wrench to snug the nut tight when (if?) I pick the final position.If the mount fits your handlebars, this mirror works well. The mirror is easy to position yet hasn't changed position after hitting bumps. The range of rotation is good: I had no problem finding positions where I had a good view of stuff behind and coming up beside me, but I can see where choosing a different mount point might have made a problem. If you need a mirror that quickly and easily changes to make the bike as narrow as possible (doorways!), this may not be the mirror you are looking for (depends on how you mount it and if you only hand tighten the nut).This is not the lightest of options for bike mirrors. The weight makes it feel sturdy though.It was a bit difficult to install. I didn’t realize at first that the clamp for the handle bar was only threaded on one side and smooth on the other. I thought perhaps my handle bar was a bit too thick because the screws didn’t seem to reach at first, but when I switched them around they did fit. However the clamp was perhaps a bit small. I have a normal sized handle bar on my bike but it almost feels like it was too big for this to fully attach correctly.The mirror is pretty good, a decent quality but not too strong or durable. Adjusting it is a bit difficult and a little too much rough road will cause it to shift to a different angle. When it is in the right position though I can see behind me pretty well which is very helpful for riding on busy streets.The mirror actually looks pretty good but because it is an exact size and not flexible for different sized handle bars I had to zip tie the bottom an then tighten the top bolt as the length of the bolts is too short. Also, when riding, my arm is in the middle of the mirror image and I either have to move my arm or rotate my head. The design isn’t long enough to extend out past the end of the handle bar. I have 5 bikes and this is by far the worst design for a bike mirror. I don’t recommend this design.This bike mirror has excellent quality & a seamless design for install.It comes with an allen wrench, adapter to hook it to your handlebar and a mirror that screws into the adapter. Really simple to set up, but the adapter is just way too small.The adapter may work better for kids bikes or bikes that have such a small handlebar circumference, I could not get it around my mountain bike handlebars, I removed everything short of the brakes and tried to mount it as close to my handlebars as possible and it was still too small.It is frustrating for such a great, well-constructed and good-sized bike mirror. Sadly the small adapter has it fall short on my side of being functional.This bicycle mirror is too small to fully see what's behind