These mirrors fit handlebars with an inner diameter of 18 to 22mm at the bar end. The mirror itself is about 2.5" in diameter and provides a clear view with adjustable angles and a full 360 degree rotation for the mirror. Can be used on either left or right side as needed. Easy to install and a safe and convenient way to stay alert while cycling. This listing comes with two(2) mirrors for both sides.

FEATURES

• Clear View with a 2.5 inch diameter mirror
• Adjustable arm angles and a full 360 rotation on the mirror
• Works with either left or right side application (Please note package only contains one mirror)
• Fits handlebars with an 18 to 22mm bar end
• Works for both flat handlebars and drop bars