Detect and avoid traffic hazards with these bike rear-view mirrors, available in two different sizes. 

The rear-view mirrors can be rotated 360°, which means that you can adjust them however you want. They fit all different types of handlebars. Just make sure you've fastened the rear-view mirror securely so it doesn't fall off. Very easy to assemble and take off. 

Size small: 5 cm diameter
Size large: 8 cm diameter