Third Eye Bar End Mirror This compact bike mirror gives you a clear view of what's going on behind you. Three-inch convex mirror provides a wide field of vision. Plug-in style attaches securely to the end of any bike's handlebars, where it won't interfere with your hands. 2.3 oz. USA. Sporting, Goods, Individual, Sports, Bicycling, Accessories, bar behind mirror, bar end mirror