Features:Light & Sturdy: You'll be pleasantly surprised by how sturdy this mirror is. The strong polymer makes this cycling mirror a perfect combination of ultra-strength and feature weight.Tool-Free Installation: Suitable for 18mm-26mm bicycle handlebar. Can hold the lens to the mirror holder for it to stay in place and can be attached to any fitted handlebars firmly and easily.Multi Angle Adjustment: The bike handlebar mirror is an important investment for any cyclist who wants to avoid neck strain because of the flexible pole makes it super easy to get the perfect viewing angle no matter your preference.Safer Cycling: With a clear view mirror you can see whats behind you or coming up real fast.360 Degree Rotatable Glass: Movable lens can be angled at any time to see what is coming from different directions. The optimized chassis is fixed with double screws to keep the mirror fixed and tighter.Specifications:Product Name: HD convex mirrorMaterial: Glass lens PC lens case nylon bracketWeight: About 108 gramsApplicable: Handlebar diameter 18mm-26mmFeatures: High-definition mirror high-strength bracket reflector designSize:20*15*8cmNotes:1. Due to the effects of light and shooting angle the actual color of the item may slightly differ from the color shown on the picture. includes: 1 * Bicycle rear view mirror"