Argon 18 Nitrogen Pro Ultegra Di2
The Nitrogen Pro is Argon 18’s high-performance aero machine. A speedy red, black and gray paint job covers the aero-optimized frameset that features a hidden front brake and aero handlebars. With a frame that weighs in at only 830g, Argon 18 boasts that it is the perfect fusion of light weight, aerodynamics and comfort. The Nitrogen Pro is equipped with a Shimano Ultegra Di2 groupset and Vision’s Trimax 30KB wheelset for ultimate reliability. The SRP is $7,500.