Local bike shop bike shops have begun themselves to sell products online. A recent development is the introduction of brand specific stores from bicycle manufacturers such as Trek Bicycle Corporation. Other manufacturers, such as Specialized are strengthening their channels with "concept stores". According to the National Bicycle Dealers Association, in 2007 there were approximately 4,400 "specialty bicycle retailers" in the USA; down from 4,800 in 2005. Although they sold only 17% of the bikes, up from 16% in 2005, they collected 49% of the dollars, up from 47% in 2005. In 2004, the average specialty bicycle retailer had gross sales of $550,000 per
Trek Bicycle Corporation 3-tube carbon composite model, the 2500. Thus began Trek's foray into carbon fiber. That same year, to keep up with rapidly growing sales, Trek added another of manufacturing space to its Waterloo headquarters. In 1988 Trek introduced "Trek Wear," marking the company's entry into the cycling apparel business. A year later Trek expanded into foreign markets, opening subsidiary offices in the UK and in Germany. That same year Trek introduced its Jazz brand of bicycles, a collection of entry-level and kids’ bikes designed by Trek but manufactured in Taiwan. Jazz bicycles were discontinued in 1993. 1989 was a pivotal year