2013 Specialized Secteur Expert Disc
![2013 Specialized Secteur Expert Disc 2013 Specialized Secteur Expert Disc](http://www.wimbike.com/wp-content/uploads/2012/10/specialized1.jpg)
Specialized Secteur Expert Disc enters the disc-brake road-bike market with the Secteur, built for endurance riders. Ranking just below the carbon-fiber Roubaix in Specialized’s model line, the Secteur shares the higher-end bike’s stable geometry, but relies on the company’s A1 aluminum tubing for the frame.