Oberon 60mm SILVER Bar End Mirror for custom motorcycles The Oberon 60mm Streetfighter Silver Bar End Mirror is one of our best products. Offers an aggressive and minimalist look to your Custom Motorcycle. Excellent visibility thanks to the convex glass. Made from CNC machined anodized aluminum, this aftermarket accessory fits 22mm and 25mm handlebars, and is dual-position. High quality materials and finishes guarantee resistance to atmospheric agents and time. Stainless steel screws ensure a firm, vibration-free hold. Assembly Instructions Mirrors with expander fit all hollow handlebars. The expander is a mechanism that fits inside the handlebar and, once tightened, expands to ensure a secure and stable grip. These mirrors are compatible with handlebars that have an internal diameter be.