Zen and the Art of Motorcycle repair. Great book. About hitting the road， and finding out what Life is truly all about. On the topic of great， here's a great product to give some additional functionality to your motorcycle. Whether you're the DIY type or you just don't have the money to overpay some garage to fix it for you， we're here to help with motorcycle parts and accessories that are priced reasonably and made for top notch quality. This one here， it's a set of 2 side rear view mirrors. Easy to install and very very necessary. Because with bike safety you definitely want all parts in working order. Black side mirrors for 8mm threads， so you just have to glance to the side to see what's behind. Cause when you're going so fast， physically turning your head to behind you is a dang'rous thing. Buy this important item today. Materials: metal arm and plastic frameColor: blackDimension: about 19.5x6cmMirror dimension: about: 9.5x6cmSuitable for 8mm threadThe mirror arm can be rotated.One left and one right Package:2 X Mirrors