DAM is a small, US-based builder of high-end, handmade custom motorcycles, built around a proprietary "APEX" chassis with an oil-in-frame design, a single-sided swingarm, billet-aluminum control arms and triple trees, and a Penske-developed front shock paired with a billet 127-cubic-inch V-twin engine producing around 140 horsepower. Independently verifiable information about the company's founding, founders, and broader corporate history could not be confirmed.