Specialized Bicycle Components Italian bike components that were difficult to find in the United States, but the company began to produce its own bike parts by 1976, starting with the Specialized Touring Tire. In 1981, the company introduced its first two bikes, the Sequoia, a sport-touring design and the Allez, a road bike. Specialized also introduced the first major production mountain bike in the world, the Stumpjumper, in 1981. Like the Sequoia and Allez, the Stumpjumper was designed by Tim Neenan and based on an early Tom Ritchey design. Specialized continues to produce bikes under the Stumpjumper name, including both hardtail and full-suspension
Trek Bicycle Corporation in the company. Despite the split, Trek and Trek Travel enjoy a close working relationship. In 2003, Trek acquired Villiger, a Swiss bicycle company, and Diamant, the oldest bicycle company in Germany. The acquisition gave Trek a foothold in the active-leisure bicycle market, an important segment in Europe. As part of the acquisition, Trek took over ownership of the Villiger-Diamant production facility in Hartmannsdorf, Germany. Trek's global expansion continued in 2005, when Trek expanded into the Chinese market by opening two stores in Beijing and signing deals with 20 Chinese distributors. For the third time in its history, in 2005