• Galvanized ABS convex mirror that allows you to accurately judge the distance of objects behind. • 360° adjustment for using peripheral vision and maintaining a clear view of the road. • Shaft length designed for stability even on bumpy rides. • Easy installation with super-strong velcro pad in less than 60 seconds. • Compatible for installation on the left and right sides of the helmet. • Product dimensions: 210 mm long x 80 mm wide x 34 mm high. • Product weight: 66 grams.