With this lighting set from Summit you can safely cycle through traffic in the dark. The lights are made of silicone and are easy to attach using the supplied straps.
Color: red / white
Dimension for light: 4.5 x 4 x 2 cm (L x W x D)
Backlight size: 4.5 x 4 x 2 cm (L x W x D)
Lighting type: LED (3)
Clamp diameter: 22.2 to 31.8 mm
Works on one CR2032 button cell battery per light (included).
You easily mount the lights on the handlebars or the seat post.