Joker Machine Large Round Bar End Mirror Increase your visibility of the road behind you with these CNC machined mirrors. These Joker Machine mirrors are designed to reduce vibration for a clearer image and a convex mirror glass for a wider view. Little to no modification needed to be mounted on your bar ends. Features Anodized black finish Straight mirror stem Mirror head diameter: 3-1/4 Completely CNC-machined from billet aluminum (not cast) Lightweight, strong and fully adjustable in every direction All mirrors come with a convex mirror glass which provides exceptional rear visibility 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 Can be used on either right or left handlebar