The Zefal Spy mirror is probably the only mirror of this type on the market today. It works well for riding a bicycle in all conditions when we want to see the space behind the bicycle. Women will also find its other potential functions, such as the ability to easily see themselves :). Fits common handlebars, including Burza and Tornado bikes; it can even be attached to the frame. What is also important, the mirror is stable despite its inconspicuous design and appearance. In other words, it holds the positioned fairly well.