Argon 18 Nitrogen Pro (Ultegra Di2)

Pro-Level Carbon Architecture. Precision Di2 Performance.

The engineering peak of the Argon 18 Nitrogen Pro is its ultra-high modulus carbon construction paired with Argon 18’s fully integrated AHB5000 carbon aero handlebar system. This specialized cockpit offers up to a 30% drag reduction over standard round handlebars without sacrificing stiffness or serviceability. Combined with Argon 18’s proprietary 3D System, the Nitrogen Pro allows for customizable structural head-tube height adjustments that maintain up to 11% more front-end rigidity than flexible, conventional spacer stacks.

Why the Argon 18 Nitrogen Pro Ultegra Di2 Stands Out:

• Pro-Tier Carbon Layup: Engineered using Argon 18’s highest-grade carbon fiber matrix, reducing frame weight while maximizing bottom-bracket stiffness for explosive out-of-the-saddle acceleration.

• Shimano Ultegra Di2 2x12 Electronic Drivetrain: Delivers lightning-fast, hyper-accurate shifting across a wide-range 12Speed cassette, complete with customizable shift speed and programmable hood buttons via the E-TUBE PROJECT app.

• Integrated AHB5000 Aero Carbon Cockpit: Seamlessly routed internal cables and aerodynamic profile significantly reduce front-end drag while offering superior ergonomics in the drops and hoods.

• 3D Integrated System: Enables structural adjustment of the front-end stack height to dial in your aggressive race stance while preserving maximum steering stiffness and handling stability.

• Hydraulic Disc Brake Performance: Shimano Ultegra hydraulic calipers paired with Servo Wave technology offer exceptional braking modulation and stopping power in dry crits or wet descents.

• Reversible Aero Carbon Seatpost: Features a versatile, reversible seatpost offset (15mm or 25mm), making it effortless to convert your position for time trials or aggressive triathlon efforts.

Technical Specifications:

• Frame: Argon 18 Nitrogen Pro Carbon Disc (12x142mm Thru-Axle)

• Fork: Nitrogen Pro Full Carbon Monocoque (12x100mm Thru-Axle)

• Drivetrain: Shimano Ultegra Di2 R8170 2x12-Speed Electronic

• Cockpit: Argon 18 AHB5000 Integrated Carbon Aero Bar & Stem

• Brakes: Shimano Ultegra Hydraulic Disc (160mm Front / 140mm Rear Rotors)

• Wheelset: ATTEN X Scope Artech 6.A+

• Seatpost: Argon 18 Nitrogen Pro Carbon Aero Post

• Max Tire Clearance: 700x32c

The Alegro Perspective: In the workshop, the Nitrogen Pro is widely recognized as a serious upgrade over the standard Nitrogen chassis. The AHB5000 integrated carbon cockpit cleans up the front end dramatically, both aesthetically and aerodynamically. Paired with 12Speed Shimano Ultegra Di2, the Nitrogen Pro offers true WorldTour-level aero performance without the exorbitant flagship price tag.

Uncompromsing Aero Speed. Instant Di2 Shifting. Dominate the Field with Argon 18.