Matrix Concepts A8 Aluminum Ramp. Strong 6063 aircraft aluminum 8.7 foot folding motorcycle loading ramp. Made from 6063 aircraft-quality tubing. 8 feet long and 9.5 inches wide inside rails, 11 inches edge-to-edge outside dimension. Exclusive "slow motion" folding center hinge with replaceable rubber bushing. Welded non-slip aluminum center rungs. Replaceable rubber feet. Extra-strong tongue with rubber under pad. Aircraft-quality TIG welded construction. Customizable tongue graphics. Used by all top riders and teams. Weight capacity: 550+ pounds.