CX II SE
The 2011 CXII Steel features aerodynamically shaped C5S triple butted proprietary Colorado Concept steel, which is comfortable, yet stiff for maximum efficiency while aero section down tube and stays make for a slippery profile.The CXII features a C5S Aero platform of C5S triple butted proprietary Colorado Concept steel tubing shaped into aero profiles and custom tuned to maximize performance and comfort for the individual rider.