Racing Bike Rear View Mirror - Lightweight, Fully-Adjustable, & Vibration-Free Convex Mirror with 9 Layer Chrome Coating & Shockproof ABS Shell for 20 mm Diameter Drop Bars by Sprintech - Blue

Mounted well. Reflection seamed small, went back to helmet mount.

Specchietto indispensabile il giorno d oggi per viaggiare in sicurezza in bicicletta senza dover voltarsi. Dovremmo averlo tutti!! Questo specchietto va montato a sinistra quindi nella confezione è solo uno!

The mirror is a nice design. It is coupled by a ball and socket joint, which adjusts easily but can be shifted by not paying attention to knee position. The rear view is a convex design that gives a wide field of view but a distorted impression of distance. Once spotted, vehicles come upon the rider very quickly. I am not 100% convinced after a few days' use, since looking down takes the rider's eyes off the road. Of course, the same could be said of looking back over your shoulder. Practice should make the device more useful

Easy to install. Isn't too big so it isn't getting in the way. My only complaint and it really isn't the fault of the mirror or the design is that you have to lean over just a little to see behind you and your leg can obstruct the view a little. Even with that though it is nice to have.

This is the best mechanism for a drop bar bike mirror. Easy to install, stays in place beautifully, easy to readjust if knocked out of place by accident. Only missed 5 stars because the mirror itself is not as crisp and clear as a glass surface. I've tried a couple of glass models ( different brands) which had nicer images, but were nearly impossible to aim precisely, so I had to fight with them after any misalignment. Came back to Sprintech and am very happy I did.