The Mountain Bicycle Mirror from Mirrycle provides a wide view of the cars behind you, so that you don't have to turn your head as you bike. 

Mirrycle Mountain bike mirror is designed to fit into the end of your handlebars. Don't let the name fool you though, this mirror is for all styles of bikes, doesn't shake and allows you a clear image.

Can use on left or right side of handlebar: Mounting is completely unobstrusive and does not interfere with your grip: Secure fit for various diameter handle bars: Made of rugged poycarbonate with steel and brass components: