29er (bicycle) used were forks designed for trekking bikes or hybrids. For many years, 29" frames and bikes were usually only available from small little-known manufactures like Niner Bikes. Surly Bikes introduced their 29" frameset, the Karate Monkey, in 2002. Gary Fisher Bicycles, a division of Trek Bicycles, became the first of the major manufactures to offer a line of 29" bikes. Their lines never sold well until the introduction of single-speed 29" bike the Rig, in 2004. Today, most bicycle manufacturers in the US market offer at least one 29" bicycle or frame. Even companies that openly dismissed 29" as a
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