HD Anti-glare mirror: the mountain bike mirror has the glass mirror with its wide and clear field of view and is adjustable to any viewing angle. Please note: bicycle mirrors come with protective film. Please remove them before use 360 rotatable and adjustable: designed with flexible 360 rotating buckle and can be adjusted to any angle as needed. 180 rotation mirror to adjust the mirror position to the correct angle of the rear view. Safe rear view: With this rear view mirror, you can easily observe the road condition behind you and no longer have to look back. So you can drive safely and comfortably.Reflective design on the back to ensure the safety of riding at night Universal design: the bicycle rear view mirror can be installed on the left and right on the flat handlebar or on the drop handlebar. Fits into handlebars within 17.4 mm ~ 22 mm (inner diameter). Ideal for road bikes, mountain bikes, electric scooters, motorcycles etc. Firm and durable: made of glass mirror and impact-resistant nylon with fibre. The PC bracket has a reinforced design to resist deformation or breakage, ensuring that this mirror has a long service life.