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
Butterfly Trek Madone Butterfly Trek Madone The Butterfly Trek Madone, an artwork utilizing a bicycle by Damien Hirst, became the world's most expensive bicycle when it was bought at auction for $500,000. It was designed by Hirst, who used real butterfly wings that were placed onto the actual frame and rims of the bicycle. The bike had been ridden by Lance Armstrong in the 2009 Tour de France. The "Butterfly Trek Madone" currently holds the title of the most expensive bike sold in the world. The second most expensive bike ever sold was the Trek Yoshitomo Nara Speed Concept that was sold for