Innovative and compact idea for bar end type mirrors Come with a 2-1/4" diameter convex mirror glass that provides you with exceptional rear visibility Mirrors are completely CNC-machined from billet aluminum (not cast) making them lightweight and strong; fully adjustable in every direction to fit just about everyone Feature a unique solid-mounted outer housing with a 15? rotating swivel mirror section inside Super-solid units reduce vibration and make for a clearer image in the mirror With little modification, these units can be mounted through the ends of most existing grips, by drilling or boring the grip end Internal bar mount for 1" o.d. handlebars expands from .750" to .850"; mount for 7/8" o.d. aluminum handlebars expands from .550" to .650" Made in the U.S.A. Mounting is achieved with the use of expanding internal bar mounts (sold separately). MIRROR BAR END SMTH BLK