CRG Expanding Handlebar End Mirror Adapter

This is the Billet Internal Adapter for the Arrow, Hindsight, Hindsight LS and Blindsight Billet Bar End Mirrors. CRG makes this assembly to offer an alternative to the basic Bar End Mirror mount.  Features: Works with CRG bar end mirrors. Machined from 6061-T6 Aluminum CNC Machined Billet Construction. Black Anodized Finish. The 7/8" Adapter kit assembly will work on hollow ended bars with internal diameters as small as 12mm (.475") and as large as 19mm (.750"). This range covers virtually all aluminum and steel bars/clip-ons Sold individually/each Note: Must have hollow handlebars, will not work with threaded handlebars (inserts inside of the handlebars)