Fully adjustable articulating arm allows many options for viewing your riders. Large tournament style, 7 inch x 13 inch convex mirror. Ball joint mount on the back of the mirror allows additional pivot point for the best adjustments. 2.5" Clamp with neoprene liners to accommodate down to 2.375", 2.25", and 2" round tubing. Billet machined 6061 T-6 aluminum and finished with a high polish Tired of the cheesy windshield mount mirror? Step up to a Big Air Tower Frame - Articulating Mirror. Note: The Mirror is now compatible with all of our towers! Specs: Polished Aluminum Arms Center pivot allows you to position the mirror for the best viewing (Note: Most single arm mirrors don't work right on towers) Tournament CONVEX Mirror 7" x 13" Stainless Steel Fasteners