These mirrors are great i put em o. My escooter they were simple to.i stall grip tightly are adjustable but hitting a bump doesnt mess up the view they fit perfectly the look like they came with the escooter and i can see whats comming up behind me great product deff need more for other bikes i have

I found these to be great for me. They installed easily on my e-bike handlebars, and the wide angle view is superb! The goosenecks on them are sturdy, and they look good on the e-bike. They are stable, and the do fit even the larger diameter handlebars. They fulfill the function, and I am much safer having them on my e-bike.

These mirrors are okay. The flexible stems a plus and they're fairly easy to install but the durability is highly questionable to me. I actually had one break while installing it. That may have been my fault... Maybe I overtightened it. But, when mounting anything on handlebars it is important that you tighten it enough to prevemt movement, so...... I'll be diplomatic and give these an average rating.

These mirrors were to replace the ones I purchased a couple of years ago. Unfortunately those older mirrors were rather cheaply made and deteriorated quickly after a few months of exposure to the outdoor elements. These mirrors seem like a step or two up in quality and design. And they are quite a bit larger than my old mirrors.One thing that these new mirrors have in common with my old mirrors is that the mirrors themselves seem to be of a composite plastic construction. I was hoping that they might be of a harden glass, which would weather better and provide a clearer reflective image. On closer inspection, the quality of construction and the mirror elements both seem to be much better than the old mirrors. I'm hoping that the improved materials and better construction yield superior clarity and visibility, while proving to be more durable against the elements. After a couple of weeks of riding I can definitely say that the reflective imaging is superior and that field of view is much, much better.The design of the mirrors and sturdiness of the mounts are quite good. I planned to only use one mirror for the left side viewing position. Because my cross-over (mountain) bike's handlebar real estate is limited, due to the placement of the shifters, brake levers, and on the left side, my cycling computer, I located the mirror mount about three inches to the left of the stem. This seemed like a good location to minimize vibrations and offer reasonable flexibility in positioning the mirror to provide good viewing angles for seeing approaching traffic from behind. (The further a component is placed and attached to the handlebars from the stem and bike centerline, the greater the amplification of vibrations generated from the road.)I was impressed with how many adjustments could be made to the mirror and mount. The mount itself is rigid and yet flexible. Though I initially thought to bend the mount at a "right angle" and extend it directly out to the handle grip, I decided to use a curved configuration with a single moderate bend. My reasoning was that a curved configuration would provide some modest additional dampening for any vibrations that traveled up from the road, through the frame, handlebars, and mount, onto the mirror.Some "final adjustments" to the mount configuration and the mirror orientation were made on the road while riding. A few additional stops were made for some tweaking of the mirror alignment. It was important to insure that cars approaching from the rear were seen earlier rather than later. Through these riding sessions I never felt the need to have a right side mirror in place. The images presented in the left side mirror were very clear with a good field of view.In the end, despite the placement of the mount as near as possible to the bike centerline, the curved orientation of the mount, and the stiff but flexible shaft design, the mirror was subject to some substantial vibrations. On very smooth streets and thoroughfares this wasn't a problem. But as the roughness of the pavement increased, so did the vibration, and subsequently the rear view visibility.These mirrors are big enough to be mounted and functional on mopeds, scooters, and light motorcycles. They are probably close to the maximum useful size that you would want for a bicycle. As such, they do somewhat, dominate the image of the bicycle. Overall, I think that an appropriate rating would be a little north of 4 stars.

I feel silly, oh so silly! I love these to death. I had just been saying on my last bike outing that I wish I had rearviews like in a car because we like to ride on public paths. Public bike paths are great but they're limited on passing space and when you're a leisurely rider like myself, the fast folks can overtake you before you hear them, and they often don't signal or sound. These mirrors really help with being able to see who is coming up on you and get out of the way. They also help with knowing whether someone is following you - whether you want that as part of your entourage or you're a single lady just trying to get home! I love that the arm is bendy for ultimate adjustability, they stay on securely and the mirrors themselves have the same tilt and wide angle that I'm used to in my car. For the price, these are perfect. I would've paid more if I could be able to take them on and off quickly, as the bike is hard enough to store as it is and this is just one more thing to get tangled. All in all, I am well pleased with these!

Once received, I installed it to my Ebike and works like a charm.

I have mixed feelings about these well-constructed bike rear-view mirrors, so I hope this description will be helpful to you. I installed one of the mirrors on the left side of my older, steel-frame road bike. For starters, it was something of a tricky installation, as the screws were only just long enough to make this work on my thick drop handlebars. (See photo.) The bracket isn't big enough to go around both the tube and also the cables that control the shift paddles and brakes, so the mirror had to sit pretty close to the middle of the handlebars. I also didn't want it to protrude too far past my handlebars, so that was probably the best place for it. The mirror itself is a high-quality mirror, very clear, and has a wide-angle curve to it. This is where I start to find that the mirror doesn't quite work with my setup: Because it's such a wide angle, and because I can't extend it too far past my handlebars, I can't spot traffic until it is very close to me -- a car that's two car-lengths behind me is a tiny dot in the mirror, until it's practically upon me. If I could move the mirror farther to the left on my handlebars, it might work better at capturing oncoming traffic, but the bracket just isn't big enough because of my bike's cables. Bottom line from my experience: If you have an older road bike, really the best kind of mirror is the type that sits on your bike glasses or your helmet and is not wide angle. For everyone else: this is a very robust mirror that could be a great fit for e-bikes, kids' bikes, bikes without cables embedded in the handlebars. Hope that helps you!

Came with a crack. Looked like it had been returned before.