Kestrel USA the launch of the first carbon fork and the debut of the KM40 Airfoil, the first true aero triathlon frame. Carbon framesets by better-known, mainstream manufacturers such as Giant and, most notably, Trek (with its OCLV frames), have been directly influenced by Kestrel design principles. Kestrel builds monocoque frames rather than more traditional tube and lug designs. This has always meant that Kestrels have tended to have a very fluid, curved appearance. However, more recent designs from the company have been more angular due to an increased desire to minimise wind resistance. Kestrel USA Kestrel is an American bicycle brand
Trek Bicycle Corporation a few years Trek had outgrown its original "red barn" manufacturing facility—a former carpet warehouse. Recognizing the need for expansion, in 1980 Trek broke ground on a new corporate headquarters on the outskirts of Waterloo. Company co-founder Dick Burke would later recall that "it wasn’t until we built the new factory that we became a business." With more factory space available, Trek expanded its manufacturing to include complete bikes. In 1981 Trek entered the steel road racing bike market, introducing the "Pro" line, including the 750 and 950 models, and in 1983 Trek built its first mountain bike, the 850.