Bulk Buys OD377-12 Adjustable Bicycle Mirror Check traffic behind you without turning your head with this heavy duty 9 in. adjustable Bicycle Mirror It easily attaches to any mountain or cruiser bike handlebars Can be used on the right or left side of handlebars and is easy to adjust Measures approximately 9.25 x 3 x 1.125 in. Comes packaged to a tie card.