Bicycle suspension which they use for their "FSR Suspension". Several manufacturer had licensed the design from Specialized. Some European manufacturers, such as Cube and Scott, do use the same suspension design, but couldn't import it to the United States until 2013 due to patent protection. Norco, Canadian bicycle manufacturer also licensed the design from Specialized but further optimized the FSR system, calling their own system Advanced Ride Technology (ART). Although not necessarily sharing any general suspension characteristics, these designs all share a certain structural benefit. Because the connecting links are so short, the floating link comes in the form of a rigid
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