The Mirrycle mounts in minutes with the wrench that is included. The mirror is a 3" round, convex glass mirror with a wide field of view. The mirror is adjustable to any viewing angle. - Fits inside handlebars with 13.75mm – 22.5mm (.54" to .875") inside diameter

- Adjustable handlebar mount - Universal nylon clamp - Ringer style bell - Function: Lever

- Made in the USA - Wide field of view with three pivot points for total adjustability - Lightweight and optically correct - Fits helmet visors and eyeglasses; will fit helmets with adapter