TOOL-FREE INSTALLATION: Suitable for 22mm-32mm bike handlebar. Equipped with 2 non-slip rubber gaskets for increased friction, which can keep the lens to the mirror holder to stay in place and can be attached to any fitted handlebar firmly and easily MULTI ANGLE ADJUSTMENT: Our Bike Handlebar Mirror is an important investment for any cyclist looking to avoid neck strain due to its flexible pole, makes it very easy to get the perfect viewing angle no matter what your preference. SAFER CYCLING: Without a doubt, cycling is fun and with the mirror you can see what is behind you or what is approaching really fast. These days drivers are distracted on the phone or are not paying attention and as cyclists we have to be careful about that. 360 DEGREE ROTATABLE GLASS: The movable lens can be angled at any time to see what is from different directions. Optimized chassis is fixed with double bolts, once installed, two additional seals can be placed to keep the mirror fixed and tighter FEATHER LIGHT & STURDY: Although it weighs only 115g; you will be pleasantly surprised how durable this mirror is. The strong polymer and aluminum construction makes this bicycle mirror the perfect combination of ultra-strength and lightness.