Schwinn Bicycle Company a separate deal with the China Bicycle Co. (CBC) to produce bicycles to be sold under the Schwinn brand. In retaliation, Giant introduced its own line of Giant-branded bikes for sale to retailers carrying Schwinn bikes. Both Giant and CBC used the dies, plans, and technological expertise from Schwinn to greatly expand the market share of bicycles made under their own proprietary brands, first in Europe, and later in the United States. By 1990, other United States bicycle companies with reputations for excellence in design such as Trek, Specialized, and Cannondale had cut further into Schwinn's market. Unable to produce
Trek Bicycle Corporation American team riding an American made bicycle. Armstrong went on to win a record-setting seven-consecutive Tours de France, all of them aboard Trek bicycles. He did at some points ride a Litespeed bike, painted and badged as a Trek. In 2012, all of Armstrong's Tour victories were rescinded after Armstrong was found to have violated anti-doping regulations. In 1998, Trek established its Advanced Concepts Group (ACG), a collection of engineers and technicians dedicated to technologies development. The leading edge of Trek's design and engineering efforts, ACG is perhaps best known for a number of products introduced and used by Lance