Suitable for most handlebars, mountain bike and road bike. * With a flexible rod for easily adjusting the mirror position. * With red reflector on the back can warn opposite vehicles to increase attention, can improve the security of cycling. * Material: Plastic and glass. Suitable for 0.787-0.866 inch (2.0 cm-2.2 cm) handlebars. Mirror Diameter: Approx. 8.3 cm (3.27 inch). Total length about: 19.5 cm (7.68 inch). * Kit includes: 2 x Flexible Round Glass Rear View Handlebar Mirror. (Accessories only, other item in picture not included).