[http://www.evsblog.tk/wp-content/uploads/2013/09/Specialized-Roubaix-Sport-Compact.jpg] Technical Specifications:FRAMESpecialized FACT 8r carbon, FACT IS construction, 1-1/8″ to 1-3/8″ HT, compact race design, Zertz, threaded BBSWATREAR SHOCKFORK Specialized Roubaix, FACT carbon full monocoque, ZertzHEADSET1-1/8″ upper and 1-3/8″ lower Cr-Mo cartridge bearings, w/ 20mm