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 annual Trek World dealer convention in Madison, Wisconsin. Central to 1 World 2 Wheels is its "Go By Bike" initiative, which urges Americans to ride their bikes instead of drive their cars for trips of two miles (3 km) or less. Through 1 World 2 Wheels Trek also pledged $1,000,000 to help fund the League of American Bicyclists’ "Bicycle Friendly Community" program and committed $600,000 to the International Mountain Bicycling Association's (IMBA) Trail Solutions Services. On January 6, 2014, Trek announced the acquisition of the Electra Bicycle Company. In 2009, Trek created the Trek Women Triathlon Series. 2011, Trek sponsored