Experience an extra measure of security when you ride with this adjustable, wide-view mirror. The High Definition Glass Lens provides a superior view of approaching vehicles. Quick, simple, attachment to either left or right, drop bar ends. Mounts to hybrid, commuter, road, mountain or recumbent bikes. - Fits 14.8 to 22.5mm interior diameter drop bar ends - Quick, simple, attachment to either left or right, drop bar ends - 2.25-inch, high definition glass, wide-view mirror provides a superior view of approaching vehicles - Nylon frame and body - Oval mirror rotates 360-degrees