The Airwing is a shallow-drop bend bar with bulged stem section to reduce weight. They are one of the first mass-produced base bars on the market and at one point so popular, if you were a time trialist or a triathlete, you were practically issued an Airwing.
Anodized finish is strong and durable. Drillings below the handles make it easy to internally route brake cables and improve aerodynamics. They are available in one width - 42cm and are measured center to center.